[wasm] skip spec-test on ppc

Tests runs out of code space on ppc as size exceeds 32MB.
More details can be found under the comment section of this CL:
https://crrev.com/c/3605814.

Bug: v8:11577
Change-Id: Iadfbc3b9618a0873f5f08a030b799d5761946671
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3610628
Commit-Queue: Milad Farazmand <mfarazma@redhat.com>
Reviewed-by: Andreas Haas <ahaas@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80234}

test/wasm-js/wasm-js.status

@@ -48,6 +48,11 @@
   'constructor/instantiate': [SKIP],
 }],  # 'arch == s390 or arch == s390x or system == aix'
 
+['arch == ppc64', {
+  # Test needs larger than supported single code space.
+  'limits': [SKIP],
+}],  # 'arch == ppc64'
+
 ['mode == debug or simulator_run or variant != default or arch == arm or tsan or msan or asan', {
   # Slow, and we always have the same limits anyway.
   # ODroid bots don't have enough memory to run the test.