PPC will be implemented separately.

Change-Id: I358f5a73275a40f8083e9c07b7028d162969f836
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2597578Reviewed-by: Junliang Yan <junyan@redhat.com>
Commit-Queue: Milad Fa <mfarazma@redhat.com>
Cr-Commit-Position: refs/heads/master@{#71834}