[SQUASH] Update msm_rq_stats to ensure compiling

Revert "msm_rq_stats: added support enable load calculation on demand"

This reverts commit 995bd6809ef32830293342b310afcbcca3429290.

msm_rq_stats: squash commit to latest version

Conflicts:
	arch/arm/mach-msm/msm_rq_stats.c

Change-Id: I73ca3917f0c2dfd26cdf8e28e8c27dc8eceeac4f

msm_rq_stats: added support enable load calculation on demand

Change-Id: I9d02ef234b8f0a96ce55540f86468986e0fcf487

msm_rq_stats: in line 191, remove static from static unsigned int report_load_at_max_freq(void)