msm_rq_stats: added support enable load calculation on demand

Change-Id: I9d02ef234b8f0a96ce55540f86468986e0fcf487
cpuquiet: load_stats: use on demand enabling of load calculation in msm_rq_stats

Change-Id: I9a109902c4acdbf5b2ac8ae2b5147578da0d4a7d
cpuquiet: added input boost support

Change-Id: I19ee2a5d64f06292811c60f087d5ddce915f171e