CPU Overclock: initial overclock for Krait 600 (2.0 GHz variants)

overclocking up to 2.3 GHz

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

Conflicts:
	arch/arm/mach-msm/Kconfig
	arch/arm/mach-msm/acpuclock-krait.c