Re-enable some MIPS/MIPS64 run-tests

These tests are passing now on MIPS/MIPS64:
- 441-checker-inliner
- 536-checker-intrinsic-optimization
- 557-checker-instruction-simplifier-ror

Change-Id: I57b82f8ec1e774e8e0a16ba289e50aa4a764b96b
1 file changed