msm_cpu_freq_limit: module for controlling MSM quadcore cpus along with fixes (thanks to @faux123)

this module will allow proper max frequency control across all msm cores

Signed-off-by: faux123 <reioux@gmail.com>

Conflicts:
	arch/arm/mach-msm/Kconfig
	arch/arm/mach-msm/Makefile
overall_stats: add overall stats for all available cores

this is much more accurate stats tracking than just displaying core 0's
stats from most other kernels

Signed-off-by: faux123 <reioux@gmail.com>
overall_stats: make dual/quad core stats configurable via meunconfig

Signed-off-by: faux123 <reioux@gmail.com>
overall_stats: forward port to kernel 3.4+

by replacing deprecated functions with native add/sub for 64bit data types

Signed-off-by: faux123 <reioux@gmail.com>