msm_cpu_freq_limit: initial coding for controlling MSM quadcore cpus

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

Change-Id: I9749501d2430ef4f23d92dc21ba8d7ffbb65d927
Signed-off-by: faux123 <reioux@gmail.com>
defconfig: build MSM_CPUFREQ_LIMITER as module

Change-Id: I6874bbb7b3e45be03685bd399ee84e63a5b03803