This enables running some of the new instructions on the simulator
including vcgd and vclgd.

Change-Id: Icd1c6ced124aec8608dece855f85ba350c4247fd
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2976027Reviewed-by: Joran Siu <joransiu@ca.ibm.com>
Commit-Queue: Milad Fa <mfarazma@redhat.com>
Cr-Commit-Position: refs/heads/master@{#75281}