added CPU voltage VDD control (thanks to @Faux123)

Conflicts:
	arch/arm/configs/yuga_defconfig
	arch/arm/mach-msm/Kconfig

Conflicts:
	arch/arm/configs/cm_fusion3_yuga_defconfig

Change-Id: I05ce86b92bdb8e717ef28d0f8201292efde92a6f