Directly use the correct registers for calling the RecordWrite stubs
in sparkplug. To keep changes to existing builtins minimal there are
certain register requirements which are now made explicit in
WriteBarrierDescriptor::Verify.


Bug: v8:11420
Change-Id: I3a0c500fbe26f82ee2243a61dbf574fd31656982
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2910313Reviewed-by: Santiago Aboy Solanes <solanes@chromium.org>
Commit-Queue: Camillo Bruni <cbruni@chromium.org>
Cr-Commit-Position: refs/heads/master@{#74998}