cpufreq: Add auto_hotplug from thalamus with a bunch of mods for KT747 and add ability to enable/disable so not to interfear with govs that already hotplug.  Also added in relay for touchboost

Conflicts:
	drivers/cpufreq/cpufreq.c
Auto Hotplug: update to my latest from S3
auto_hotplug: Update to support X number of cores
auto_hotplug: Add missing cpu_down flags
Auto Hotplug: Enable by default