Flags are also updated under `instruction-selector` to include
these operations. Not having them was causing their Simd versions
to remain unused as well. V8 was just interpreting them at runtime.

Change-Id: I42677f7412859ad4759b70ba16667ec9d90505af
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2994803Reviewed-by: Junliang Yan <junyan@redhat.com>
Commit-Queue: Milad Fa <mfarazma@redhat.com>
Cr-Commit-Position: refs/heads/master@{#75444}