This CL renames the runtime stub table to far jump table, and changes
the implementation so it can later be patched concurrently.
A follow-up CL will extend this table to also contain slots for wasm
functions (if needed).

R=mstarzinger@chromium.org

Bug: v8:9477
Change-Id: I20bf0a0bb66dc0333f794761c1506b27137b53e7
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1789159
Commit-Queue: Clemens Hammacher <clemensh@chromium.org>
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#63679}