Try GPU Idle Underclocking

* Well we underclock other things. Might as well try this

Signed-off-by: Chet Kener <Cl3Kener@gmail.com>
Signed-off-by: Stefanescu Cristian <howerkraft@gmail.com>

Conflicts:
	arch/arm/boot/dts/msm8974-v2.2.dtsi