[wasm-gc] skip test on ppc/s390 platforms

Liftoff needs to be fully implemented for running this test.

Change-Id: Ia229d478fa22d4ce9a715d13b3d2b09a2634ad1c
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3163016Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Commit-Queue: Milad Fa <mfarazma@redhat.com>
Cr-Commit-Position: refs/heads/main@{#76870}

test/cctest/cctest.status

@@ -510,9 +510,10 @@
 
   'test-wasm-breakpoints/*' : [SKIP],
 
-  # SIMD not fully implemented yet
+  # SIMD / Liftoff not fully implemented yet
   'test-run-wasm-simd-liftoff/*': [SKIP],
   'test-gc/RunWasmLiftoff_RefTrivialCasts': [SKIP],
+  'test-gc/RunWasmLiftoff_RefTrivialCastsStatic': [SKIP],
 
   # TODO(11856): Port nondeterminism detection.
   'test-liftoff-for-fuzzing/*': [SKIP],