Added Voltage interface for GPU - Thanks KT

Also added Kconfig hooks

Conflicts:
	drivers/cpufreq/cpufreq.c

Conflicts:
	drivers/cpufreq/cpufreq.c
msm: kgsl: added limits to gpu voltages userspace

Conflicts:
	arch/arm/mach-msm/clock-8960.c
msm: kgsl: rework naming convention for gpu undervolt userspace

Conflicts:
	drivers/cpufreq/cpufreq.c
msm: kgsl: disable debug for gpu undervolt userspace

Change pr_alert() to pr_warn()
msm: kgsl: remove unused for gpu undervolt userspace
Always set noatime no diratime on all partitions! I/O Boost!

Also mod read_ahead to 512. as seems that is faster! in test apps.
Always set noatime no diratime on all partitions! I/O Boost! V2
Silence GPU voltage messages
add gpu voltage control, IO boost & Update version to 66u