F64x2ExtractLane and F64x2ReplaceLane were missing the IA32 prefix that
is used by all the other instruction codes.

Bug: v8:12244
Change-Id: Ib99cd9b62161a13305ad01d6e7e0aa82046dd25a
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3255662Reviewed-by: Deepti Gandluri <gdeepti@chromium.org>
Commit-Queue: Zhi An Ng <zhin@chromium.org>
Cr-Commit-Position: refs/heads/main@{#77808}