Added Voltage interface for GPU - Thanks KT

Conflicts:
	drivers/cpufreq/cpufreq.c
msm: kgsl: added limits to gpu voltages userspace
msm: kgsl: disable debug for gpu undervolt userspace
msm: kgsl: make gpu voltage interface sysfs user friendly
gpu: overclock: set 487Mhz by default
msm: gpu: make overclock selectable via config
cpufreq: stockdemand: add stock caf ondemand with some enhancement
cpufreq: smartmax: added new governor based on ondemand and smartass2
Add LAZY and WHEATLEY Governors
cpufreq: wheatley: cleaning unused code