Add support for I32x4Mul, I32x4MaxS, I32x4MinS, I32x4Eq,
I32x4Ne, I32x4Shl, I32x4ShrS, I32x4ShrU, I32x4MaxU,
I32x4MinU, S32x4Select operations for mips32 and mips64
architectures

BUG=

Review-Url: https://codereview.chromium.org/2780713003
Cr-Commit-Position: refs/heads/master@{#44559}