PPC: [test] Skip flaky test on PPC

Port ed60adb5

R=machenbach@chromium.org, joransiu@ca.ibm.com, junyan@redhat.com, midawson@redhat.com
BUG=
LOG=N

Bug: v8:11134
Change-Id: I02d0899df33633c15a5911b055a7e34961d8982f
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2739647Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Milad Fa <mfarazma@redhat.com>
Cr-Commit-Position: refs/heads/master@{#73245}

test/cctest/cctest.status

@@ -465,6 +465,12 @@
   'test-bytecode-generator/WideRegisters': [SKIP],
 }],
 
+##############################################################################
+['arch == ppc64 and not simulator_run', {
+  # crbug.com/v8/11134
+  'test-cpu-profiler/MultipleThreadsSingleIsolate': [SKIP],
+}],  # 'arch == ppc64 and not simulator_run'
+
 ##############################################################################
 ['variant == stress_incremental_marking', {
   'test-heap-profiler/SamplingHeapProfiler': [SKIP],