dts: msm8974pro: overclocking tweak for 3.0 GHz

Signed-off-by: Paul Reioux <reioux@gmail.com>

Conflicts:
	arch/arm/boot/dts/msm8974pro.dtsi
Fogot to push local changes
Add I/O schedulers

fifo, row, sio and vr.
Thank's to @bbedward and @DooMLoRD
Add schedulers and lagfree governor

VR, SIO and FIFO schedulers added

Powersuspend compatibility added to lagfree.
Display average nr running in sys files

For debugging and configuring purposes