msm: kgsl: Surround RBBM interrupt mask writes with OOBs

RBBM interrupt mask register is in the GX domain so it
will not be accessible during IFPC. Surround it with OOBs
to prevent unwanted power collapses.

CRs-Fixed: 2085877
Change-Id: I07ad9db9cb0b8ad6226e95c358c738c382bffc04
Signed-off-by: Kyle Piefer <kpiefer@codeaurora.org>
3 files changed