UpdateTestChecks: -march=mips/-march=mipsel is mips triple.
Again, a mixture of march and triple, with majority being march:
llvm/test/CodeGen/Mips$ grep -ri triple | wc -l
818
llvm/test/CodeGen/Mips$ grep -ri march | wc -l
1457
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@361521 91177308-0d34-0410-b5e6-96231b3b80d8