[test] Skip SIMD regression test when SIMD is unsupported

Change-Id: Ie614bf368d6cf955cb1a7537ef81aafd6925ccbb
No-Tree-Checks: true
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3144149
Auto-Submit: Deepti Gandluri <gdeepti@chromium.org>
Reviewed-by: Zhi An Ng <zhin@chromium.org>
Cr-Commit-Position: refs/heads/main@{#76702}

test/mjsunit/mjsunit.status

@@ -1455,6 +1455,7 @@
   'regress/wasm/regress-1187831': [SKIP],
   'regress/wasm/regress-1199662': [SKIP],
   'regress/wasm/regress-1231950': [SKIP],
+  'regress/wasm/regress-1242300': [SKIP],
   'regress/wasm/regress-1242689': [SKIP],
 }],  # no_simd_hardware == True