vmovups requires AVX, even though we have FMA3 scope, that only enables
FMA3 and not AVX. We can't enable AVX when FMA3 is supported (inside of
Assembler::Assembler) because we will hit some DCHECKS in SSE
instructions that check that AVX is not enabled.

Reported in
https://chromium-review.googlesource.com/c/v8/v8/+/3131370/5#message-8a19a8c68a205f1efa208917df89a2082bae2276

Bug: v8:11659
Change-Id: Iece17c6550d4a6cbfca0c7f9c0ca042b52600d8e
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3252249Reviewed-by: Deepti Gandluri <gdeepti@chromium.org>
Commit-Queue: Zhi An Ng <zhin@chromium.org>
Cr-Commit-Position: refs/heads/main@{#77777}