mach-msm: port faux123's msm_cpufreq_limit driver to CM-based kernels

Conflicts:
	arch/arm/configs/omni_rhine_honami_row_defconfig

Change-Id: I0d59dd949155e03a0cdfd5d56ffd6eebc8e5b21b
defconfig: enable SnakeCharmer

Change-Id: I92d32fd1cf9419f15946560c79b631fa227abfcb