Initial support for undervolt (UV)

Signed-off-by: Keff <funnykeff91@gmail.com>
Added CPU Voltage Control (VDD sysfs interface)
Thanks to Doomlord
Initial Overclock support (OC)

Signed-off-by: Keff <funnykeff91@gmail.com>

Conflicts:
	arch/arm/mach-msm/acpuclock-7x30.c
update own defconfig