Merge changes I65450c63,I71d0aa82,Ia395eb32,I4aaed371 into integration

* changes:
  mediatek: mt8192: add rtc power off sequence
  mediatek: mt8192: Fix non-MISRA compliant code
  mediatek: mt8192: Fix non-MISRA compliant code
  mediatek: mt8192: Add MPU support