directfb: Fix RPATH warnings

directfb: Fix RPATH warnings

Fix configure not to remove variables which trigger the unneccessary rpaths to get
encoded. Also take the opportunity to clean up the patches directory.

WARNING: QA Issue: directfb: /work/i586-poky-linux/directfb-1.4.15-r1/packages-split/directfb/usr/bin/dfblayer contains probably-redundant RPATH /usr/lib
WARNING: QA Issue: directfb: /work/i586-poky-linux/directfb-1.4.15-r1/packages-split/directfb/usr/bin/dfbmaster contains probably-redundant RPATH /usr/lib
WARNING: QA Issue: directfb: /work/i586-poky-linux/directfb-1.4.15-r1/packages-split/directfb/usr/bin/mkdgifft contains probably-redundant RPATH /usr/lib
WARNING: QA Issue: directfb: /work/i586-poky-linux/directfb-1.4.15-r1/packages-split/directfb/usr/bin/dfbdump contains probably-redundant RPATH /usr/lib
WARNING: QA Issue: directfb: /work/i586-poky-linux/directfb-1.4.15-r1/packages-split/directfb/usr/bin/dfbinput contains probably-redundant RPATH /usr/lib
WARNING: QA Issue: directfb: /work/i586-poky-linux/directfb-1.4.15-r1/packages-split/directfb/usr/bin/dfbfx contains probably-redundant RPATH /usr/lib
WARNING: QA Issue: directfb: /work/i586-poky-linux/directfb-1.4.15-r1/packages-split/directfb/usr/bin/dfbscreen contains probably-redundant RPATH /usr/lib
WARNING: QA Issue: directfb: /work/i586-poky-linux/directfb-1.4.15-r1/packages-split/directfb/usr/bin/mkdgiff contains probably-redundant RPATH /usr/lib
WARNING: QA Issue: directfb: /work/i586-poky-linux/directfb-1.4.15-r1/packages-split/directfb/usr/bin/dfbinspector contains probably-redundant RPATH /usr/lib
WARNING: QA Issue: directfb: /work/i586-poky-linux/directfb-1.4.15-r1/packages-split/directfb/usr/bin/mkdfiff contains probably-redundant RPATH /usr/lib
WARNING: QA Issue: directfb: /work/i586-poky-linux/directfb-1.4.15-r1/packages-split/directfb/usr/bin/dfbinfo contains probably-redundant RPATH /usr/lib
WARNING: QA Issue: directfb: /work/i586-poky-linux/directfb-1.4.15-r1/packages-split/directfb/usr/bin/dfbpenmount contains probably-redundant RPATH /usr/lib
WARNING: QA Issue: directfb: /work/i586-poky-linux/directfb-1.4.15-r1/packages-split/directfb/usr/bin/dfbg contains probably-redundant RPATH /usr/lib
WARNING: QA Issue: directfb: /work/i586-poky-linux/directfb-1.4.15-r1/packages-split/directfb/usr/lib/libfusion-1.4.so.6 contains probably-redundant RPATH /usr/lib
WARNING: QA Issue: directfb: /work/i586-poky-linux/directfb-1.4.15-r1/packages-split/directfb/usr/lib/libdirectfb-1.4.so.6.0.9 contains probably-redundant RPATH /usr/lib
WARNING: QA Issue: directfb: /work/i586-poky-linux/directfb-1.4.15-r1/packages-split/directfb/usr/lib/libdirectfb-1.4.so.6 contains probably-redundant RPATH /usr/lib
WARNING: QA Issue: directfb: /work/i586-poky-linux/directfb-1.4.15-r1/packages-split/directfb/usr/lib/libfusion-1.4.so.6.0.9 contains probably-redundant RPATH /usr/lib
WARNING: QA Issue: directfb: /work/i586-poky-linux/directfb-1.4.15-r1/packages-split/directfb/usr/lib/directfb-1.4-6/systems/libdirectfb_fbdev.so contains probably-redundant RPATH /usr/lib
WARNING: QA Issue: directfb: /work/i586-poky-linux/directfb-1.4.15-r1/packages-split/directfb/usr/lib/directfb-1.4-6/systems/libdirectfb_devmem.so contains probably-redundant RPATH /usr/lib
WARNING: QA Issue: directfb: /work/i586-poky-linux/directfb-1.4.15-r1/packages-split/directfb/usr/lib/directfb-1.4-6/systems/libdirectfb_dummy.so contains probably-redundant RPATH /usr/lib
WARNING: QA Issue: directfb: /work/i586-poky-linux/directfb-1.4.15-r1/packages-split/directfb/usr/lib/directfb-1.4-6/interfaces/IDirectFBVideoProvider/libidirectfbvideoprovider_v4l.so contains probably-redundant RPATH /usr/lib
WARNING: QA Issue: directfb: /work/i586-poky-linux/directfb-1.4.15-r1/packages-split/directfb/usr/lib/directfb-1.4-6/interfaces/IDirectFBVideoProvider/libidirectfbvideoprovider_gif.so contains probably-redundant RPATH /usr/lib
WARNING: QA Issue: directfb: /work/i586-poky-linux/directfb-1.4.15-r1/packages-split/directfb/usr/lib/directfb-1.4-6/interfaces/ICoreResourceManager/libicoreresourcemanager_test.so contains probably-redundant RPATH /usr/lib
WARNING: QA Issue: directfb: /work/i586-poky-linux/directfb-1.4.15-r1/packages-split/directfb/usr/lib/directfb-1.4-6/interfaces/IDirectFBImageProvider/libidirectfbimageprovider_jpeg.so contains probably-redundant RPATH /usr/lib
WARNING: QA Issue: directfb: /work/i586-poky-linux/directfb-1.4.15-r1/packages-split/directfb/usr/lib/directfb-1.4-6/interfaces/IDirectFBImageProvider/libidirectfbimageprovider_png.so contains probably-redundant RPATH /usr/lib
WARNING: QA Issue: directfb: /work/i586-poky-linux/directfb-1.4.15-r1/packages-split/directfb/usr/lib/directfb-1.4-6/interfaces/IDirectFBImageProvider/libidirectfbimageprovider_dfiff.so contains probably-redundant RPATH /usr/lib
WARNING: QA Issue: directfb: /work/i586-poky-linux/directfb-1.4.15-r1/packages-split/directfb/usr/lib/directfb-1.4-6/interfaces/IDirectFBImageProvider/libidirectfbimageprovider_gif.so contains probably-redundant RPATH /usr/lib
WARNING: QA Issue: directfb: /work/i586-poky-linux/directfb-1.4.15-r1/packages-split/directfb/usr/lib/directfb-1.4-6/interfaces/IDirectFBFont/libidirectfbfont_ft2.so contains probably-redundant RPATH /usr/lib
WARNING: QA Issue: directfb: /work/i586-poky-linux/directfb-1.4.15-r1/packages-split/directfb/usr/lib/directfb-1.4-6/interfaces/IDirectFBFont/libidirectfbfont_dgiff.so contains probably-redundant RPATH /usr/lib
WARNING: QA Issue: directfb: /work/i586-poky-linux/directfb-1.4.15-r1/packages-split/directfb/usr/lib/directfb-1.4-6/wm/libdirectfbwm_default.so contains probably-redundant RPATH /usr/lib
WARNING: QA Issue: directfb: /work/i586-poky-linux/directfb-1.4.15-r1/packages-split/directfb/usr/lib/directfb-1.4-6/inputdrivers/libdirectfb_zytronic.so contains probably-redundant RPATH /usr/lib
WARNING: QA Issue: directfb: /work/i586-poky-linux/directfb-1.4.15-r1/packages-split/directfb/usr/lib/directfb-1.4-6/inputdrivers/libdirectfb_penmount.so contains probably-redundant RPATH /usr/lib
WARNING: QA Issue: directfb: /work/i586-poky-linux/directfb-1.4.15-r1/packages-split/directfb/usr/lib/directfb-1.4-6/inputdrivers/libdirectfb_linux_input.so contains probably-redundant RPATH /usr/lib
WARNING: QA Issue: directfb: /work/i586-poky-linux/directfb-1.4.15-r1/packages-split/directfb/usr/lib/directfb-1.4-6/inputdrivers/libdirectfb_serialmouse.so contains probably-redundant RPATH /usr/lib
WARNING: QA Issue: directfb: /work/i586-poky-linux/directfb-1.4.15-r1/packages-split/directfb/usr/lib/directfb-1.4-6/inputdrivers/libdirectfb_mutouch.so contains probably-redundant RPATH /usr/lib
WARNING: QA Issue: directfb: /work/i586-poky-linux/directfb-1.4.15-r1/packages-split/directfb/usr/lib/directfb-1.4-6/inputdrivers/libdirectfb_tslib.so contains probably-redundant RPATH /usr/lib
WARNING: QA Issue: directfb: /work/i586-poky-linux/directfb-1.4.15-r1/packages-split/directfb/usr/lib/directfb-1.4-6/inputdrivers/libdirectfb_joystick.so contains probably-redundant RPATH /usr/lib
WARNING: QA Issue: directfb: /work/i586-poky-linux/directfb-1.4.15-r1/packages-split/directfb/usr/lib/directfb-1.4-6/inputdrivers/libdirectfb_sonypi.so contains probably-redundant RPATH /usr/lib
WARNING: QA Issue: directfb: /work/i586-poky-linux/directfb-1.4.15-r1/packages-split/directfb/usr/lib/directfb-1.4-6/inputdrivers/libdirectfb_lirc.so contains probably-redundant RPATH /usr/lib
WARNING: QA Issue: directfb: /work/i586-poky-linux/directfb-1.4.15-r1/packages-split/directfb/usr/lib/directfb-1.4-6/inputdrivers/libdirectfb_wm97xx_ts.so contains probably-redundant RPATH /usr/lib
WARNING: QA Issue: directfb: /work/i586-poky-linux/directfb-1.4.15-r1/packages-split/directfb/usr/lib/directfb-1.4-6/inputdrivers/libdirectfb_ps2mouse.so contains probably-redundant RPATH /usr/lib
WARNING: QA Issue: directfb: /work/i586-poky-linux/directfb-1.4.15-r1/packages-split/directfb/usr/lib/directfb-1.4-6/inputdrivers/libdirectfb_keyboard.so contains probably-redundant RPATH /usr/lib

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>