MIPS64: Cleanup various prints, other minor fixes.

Remove the default of --trace-sim true.
Fix some minor tab/space problems.

(cherry picked from commit e60b51db3af189de3f7babab4b3e67a675391b76)
MIPS64: Change back to use paul's li().

(cherry picked from commit 49f26de58a12f97bb3af14e0718a767ca93bddf8)
MIPS64: Change back to use paul's li(), part 2.

(cherry picked from commit 9e3bf882be82af379729de7607732abafcd66746)
MIPS64: Fix wrong usage in macro::assembler.

(cherry picked from commit 8a886adc812a553bdbad8b3c6db6eb46dce86c26)
MIPS64: Fix JSConstructStubHelper and add DSRAV to disasssembler.

(cherry picked from commit 074b9c1fee6077f4b50ab5ad15b9db86537133d3)
MIPS64: Fix FullCodeGenerator::ExitFinallyBlock and remove break_.

(cherry picked from commit d52759aabf230be9fdacb2999a3d53bad6af4ab0)