msm: kgsl: Update slumber entry sequence for A630v2

A630v2 uses a simplified RSC slumber entry sequence.
Add the new sequence and version checks to take the
right code path.

CRs-Fixed: 2085877
Change-Id: Ie297399b73160d43fd940d1f25fe3462f79923a8
Signed-off-by: Kyle Piefer <kpiefer@codeaurora.org>
2 files changed