Revert "msm: krait: add CPU Voltage control."

This reverts commit 494d9b37d1177ca563881fe64afbec36c959a017.
Revert "sched: fix race between try_to_wake_up() and move_task()"

This reverts commit d6baa1bf33059fa91f872e1fa923301740a47804.
Revert "hammerhead kernel: implement always on rgb led support"

This reverts commit ff2dd8e9b119225aff19dae48386e48efff8702a.