msm: clock-krait-8974: User voltage control for msm-cpufreq device

Signed-off-by: GuneetAtwal <harjinder767@gmail.com>

Conflicts:

	arch/arm/boot/zImage-dtb
	arch/arm/mach-msm/Kconfig
	arch/arm/mach-msm/clock-krait-8974.c