This CL adds
a) swiss-hash-table-helpers.tq, which contains Torque counterparts
   for the C++ code in swiss-hash-table-helpers.h.

b) various helpers required for that, including adding several CSA
   integer operations to base.tq.

Bug: v8:11330
Change-Id: I6f6faf742334b5d107e84364ed793ad856d1cda1
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2757427Reviewed-by: Santiago Aboy Solanes <solanes@chromium.org>
Reviewed-by: Igor Sheludko <ishell@chromium.org>
Commit-Queue: Frank Emrich <emrich@google.com>
Cr-Commit-Position: refs/heads/master@{#73580}