clang: Use GNU objdump on mips
clang: Use GNU objdump on mips

There are missing features in llvm-objdump especially for gnu-hash
sections for mips

Signed-off-by: Khem Raj <729d64b6f67515e258459a5f6d20ec88b2caf8df@gmail.com>

kraj/meta-clang,kraj/meta-clang,kraj/meta-clang