Now that we pass in assembler options during builtin setup, we can be
more precise in assembler configuration.

Isolate-independent generation is only requested for isolate-independent
builtins. And pc-relative jumps additionally need a valid code range.

Bug: v8:6666
Change-Id: I64dfb414549a2f1e87610244c48d9405e63a1b12
Reviewed-on: https://chromium-review.googlesource.com/1177707Reviewed-by: Sigurd Schneider <sigurds@chromium.org>
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Commit-Queue: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55187}