This CL:

a) Adds an unsigned 64 bit type to Torque, called uint64.

b) Makes more operations on 64 bit integers from the raw machine
   assembler available in CSA and Torque.

Change-Id: I147501d65882892e4628ec22088c0940df79a974
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2742204
Commit-Queue: Frank Emrich <emrich@google.com>
Reviewed-by: Nico Hartmann <nicohartmann@chromium.org>
Reviewed-by: Igor Sheludko <ishell@chromium.org>
Cr-Commit-Position: refs/heads/master@{#73403}