Port a52b44f0

Original Commit Message:

    Prototype the instruction on the interpreter, and Arm64. Details of
    instruction lowerings on all relevant architectures can be found at:
    https://github.com/WebAssembly/relaxed-simd/issues/52

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

Change-Id: Ia42e3f7fcb77d5515ee20bb428902cc3ff033f69
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3688290
Commit-Queue: Milad Farazmand <mfarazma@redhat.com>
Reviewed-by: Junliang Yan <junyan@redhat.com>
Cr-Commit-Position: refs/heads/main@{#80944}