int_sqrt: Improve 3x faster integer sqrt.

Result on 10,000,000 call.
Old:
sqrt(12345689) = 3513
real	0m0.768s
user	0m0.760s
sys	0m0.004s

New:
sqrt(12345689) = 3513
real	0m0.222s
user	0m0.224s
sys	0m0.000s
auto_hotplug: Fix & set min/max cpu freq to 192-702MHz during screen
on/off
auto_hotplug: Fix & set min/max cpu freq to 192-702MHz during screen
on/off - Fixed
auto_hotplug: Add min/max cpu freq setting during screen off.
Merge remote-tracking branch 'origin/neo-jb-mr2' into msm-mako-3.4-jb-mr2