deps: V8: cherry-pick a494bcfc880c

enabling trap handler on FreeBSD.

Refs: https://github.com/v8/v8/commit/a494bcfc880ca80f95f226871ae1e48141d1f7aa

Original commit message :

Introducing trap handler support for FreeBSD x64.
Using proper register (RIP) on this platform.

Change-Id: Iaa0a25e328bd82c152db0ef3632523fd7d621020
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1857221
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Reviewed-by: Yang Guo <yangguo@chromium.org>
Reviewed-by: Andreas Haas <ahaas@chromium.org>
Commit-Queue: Andreas Haas <ahaas@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64863}