Revert "ARM: smp: Save CPU registers before IPI_CPU_STOP processing"

This reverts commit 86d1d710838e93641aa98d25494557373deebd39.
Revert "msm: kgsl: show current power level for 8974 SOCs."

This reverts commit 141c8610200e69b0e1c843808582ab464c7d231e.