PM: devfreq: Add sysfs nodes for devfreq governors
Optimized ARM RWSEM algorithm

RWSEM implementation for ARM using atomic functions.
Heavily based on arch/sh/include/asm/rwsem.h

Signed-off-by: Ashwin Chaugule <ashwinc@codeaurora.org>
Defconfig: Enable Optimized ARM RWSEM algorithm
Defconfig: Fix something