The -mabi option is part of HOST_CC_ARCH which does not
appear in CFLAGS. This is for completeness since compiler
already defaults to n64 it wont matter that much
(From OE-Core rev: 2aa0540515efc15957101e24224b425ee00446d9)
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>