msm: clock: Move regulator API calls into clock framework

All B-family clock drivers can use standard regulator APIs. Move these
calls into the shared clock.c file.

Maintain backwards compatibility with older targets by continuing to
allow usage of target specific non-standard calls.

Change-Id: I538f3118ee135a4266b82977b71c92d3dfa2e8f7
Signed-off-by: Patrick Daly <pdaly@codeaurora.org>
6 files changed