X87: Skip SignallingNanSurvivesI32ReinterpretF32/SignallingNanSurvivesI64ReinterpretF64 tests.

  The CL #42545 (https://codereview.chromium.org/2639353002 ) add SignallingNanSurvivesI32ReinterpretF32/SignallingNanSurvivesI64ReinterpretF64 tests.
  Those tests failed at x87 port as X87 FPU hardware will convert a sNaN to qNaN automatically.

  This CL skips SignallingNanSurvivesI32ReinterpretF32/SignallingNanSurvivesI64ReinterpretF64 tests for x87.

BUG=

Review-Url: https://codereview.chromium.org/2649843002
Cr-Commit-Position: refs/heads/master@{#42591}

test/cctest/cctest.status

@@ -296,6 +296,10 @@
   'test-gap-resolver/FuzzResolver': [SKIP],
   'test-run-wasm/RunWasmCompiled_MultiReturnSelect_f32': [SKIP],
   'test-run-wasm/RunWasmCompiled_MultiReturnSelect_f64': [SKIP],
+  'test-run-wasm/RunWasmCompiled_SignallingNanSurvivesI32ReinterpretF32': [SKIP],
+  'test-run-wasm-64/RunWasmCompiled_SignallingNanSurvivesI64ReinterpretF64': [SKIP],
+  'test-run-wasm/RunWasmInterpreted_SignallingNanSurvivesI32ReinterpretF32': [SKIP],
+  'test-run-wasm-64/RunWasmInterpreted_SignallingNanSurvivesI64ReinterpretF64': [SKIP],
 }],  # 'arch == x87'
 
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