Merge mesa-PV.bb and mesa-PV.inc as the is no point to the split now we're only
building one variant of Mesa.
Drop 0002-cross-compile.patch isn't needed as libtool is used instead of mklib.
However, as libtool is used instead of mklib add fix-glsl-cross.patch to work
around build failures caused by the cross libtool being used to build host
binaries.
Add EGL-Mutate-NativeDisplayType-depending-on-config.patch to build correctly in
a non-X11 environment.
Drop dont-fail-if-libX11-isnt-installed.patch and
fix-egl-compilation-without-x11-headers.patch as they were backports.
license.html had some formatting and typo fixes, update the checksum.
Signed-off-by: Ross Burton <ross.burton@intel.com> Signed-off-by: Saul Wold <sgw@linux.intel.com>