Revert "mips tf: Use FP multiply-and-add instruction."

Failed cctest/test-run-machops/RunFloat64MulAndFloat64AddP

This reverts commit ab670d1fa5e3721838ba2e65a3a0a41c7935757f.
Revert "mips: Start sim tracing after N instructions"

Don't want to deal with the additional v8 flag during
this submission.

This reverts commit 9557b0db9d4f4777b5a52a54b17e29cd9c898311.
MIPS TF: Add instruction selection tests.

TEST= Store immediate test outside of the offset range
BUG=
mips tf: presubmit style cleanup on unittest.

And the compiler.gyp file update.
mips tf: clean up presubmit violations, and remove some incorrect TODO's.
mips tf: Clean up AssembleArchBoolean.

Also, make AssembleArchBranch conform to clang-format.