msm: kgsl: Setup UCHE_CMDQ_CONFIG register for A660

This is needed to setup the UCHE command queue configuration.
Also patch the power up register list after all register writes
are in place.

Change-Id: I370c489fd0c23101947c97a45d0da42cc9db41b7
Signed-off-by: Raghu Ananya Arabolu <rarabolu@codeaurora.org>