Fauxs Gamma Control thanks Faux123
mako: Gamma control change checksum

Change checksum and made it counter based to just check if all 10 values are present within our range.

Signed-off-by: Harsh Bhanvadia <harsh.slade@gmail.com>
speaker amp control (faux123) - squashed two commits

speaker amp control: initial release for speaker amp control
https://github.com/faux123/mako/commit/475e985e1f48484355d66ccf93f50b28afb9d21b

speaker amp control: allowed all configurable registers to be adjusted
https://github.com/faux123/mako/commit/efce8f98ce5198b324f6f83677c1d471edc35c13
Sound Control: Sound control for WCD93xx codec
Fully GPL'ed version.
USB force fast charging

-Use base from Chad Froebel <chadfroebel@gmail.com> so we continue to
use the same generic sysfs mechanism

-Referenced franco's git for drivers/usb/otg/msm_otg.c changes
https://github.com/franciscofranco/mako/commit/5a8a4c8e23c7e1df39c740b9ce1d5dda20b0ede3

Off by default

Turn on:
echo 1 > /sys/kernel/fast_charge/force_fast_charge

Turn off:
echo 0 > /sys/kernel/fast_charge/force_fast_charge