MIPS MACHINE_OVERRIDES can be used to provide the same objarch.h
files for MIPS pre-R2 and R6 ISA versions.
Use them to reduce duplication in supporting MIPS R6 ISA
(From OE-Core rev: a169f11cee3f4288467120cbc363f5e664b86f0c)
Signed-off-by: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
