msm8960-common: power: Tuning and cleanups

 * Tune the governor for better power usage and interactivity
 * Reset tuning parameters if governor changes
 * Cleanup

Change-Id: I4e6638e2402e76e44b8804465a5e5be63f5b85f9
msm8960-common: support basic notification LED flashes

Patch set 1: Support for flash modes:
             1) off
             2) normal (~250ms pulse in 2sec)
             3) long (~1sec pulse in 2sec)
             4) always on

Change-Id: Ic304cbe43466c451f8bbe6f5395988c8516cb526
Merge "msm8960-common: power: Tuning and cleanups" into cm-10.1
Merge remote-tracking branch 'upstream/cm-10.1' into cm-10.1