Intellidemand governor
GPU Overclocking: add 450 MHz option

Signed-off-by: Paul Reioux <reioux@gmail.com>

Conflicts:
	arch/arm/mach-msm/Kconfig
	arch/arm/mach-msm/clock-8960.c

Change-Id: I95850010213d23ef95032b575c3483666568f43d
Update

Change-Id: I20c8508f5f6bd877cb28392f050b8924ee28367d