Make get_gcc_multiarch_setting more elegant. Use a dictionnary
to store the config options and replace bb.data.getVar with d.getVar.
Remove i686 from the architecture list because it doesn't seem
to be a valid TARGET_ARCH any more in OE.
Configure gdb (gdb and gdb-cross) with --enable-64-bit-bfd if
multiarch DISTRO_FEATURE is present
Signed-off-by: Julian Pidancet <julian.pidancet@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
