[mips][wasm] Stage type reflection support

On mips, NaN bit patterns is not same as WASM's definitions.

Port e101dfb7

R=clemensh@chromium.org

Change-Id: I134cd6289b7cf5d1a366345fe0a79cbecc9a6f73
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1782234
Auto-Submit: Mu Tao <pamilty@gmail.com>
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Commit-Queue: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#63565}

test/wasm-spec-tests/wasm-spec-tests.status

@@ -35,6 +35,13 @@
   'f64_bitwise': [SKIP],
   'proposals/reference-types/conversions':  [SKIP],
   'proposals/bulk-memory-operations/conversions': [SKIP],
+  'proposals/js-types/f32': [SKIP],
+  'proposals/js-types/f64': [SKIP],
+  'proposals/js-types/f32_bitwise': [SKIP],
+  'proposals/js-types/f64_bitwise': [SKIP],
+  'proposals/js-types/float_exprs': [SKIP],
+  'proposals/js-types/float_misc': [SKIP],
+  'proposals/js-types/conversions': [SKIP],
 }],  # 'arch == mipsel or arch == mips64el or arch == mips or arch == mips64'
 
 ['(arch == mipsel or arch == mips64el or arch == mips or arch == mips64) and not simulator_run', {