cpufreq: interactive: merge codeaurora's interactive, the previous version with all the Google patches doesn't play well with this chip for some reason.

Signed-off-by: franciscofranco <franciscofranco.1990@gmail.com>
Add Sound Control. Features headphone volume boost for starters.

Signed-off-by: franciscofranco <franciscofranco.1990@gmail.com>

Conflicts:
	drivers/misc/Makefile