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

Signed-off-by: Paul Reioux <faux123@localhost.localdomain>

Conflicts:

	arch/arm/mach-msm/Kconfig

Conflicts:

	arch/arm/mach-msm/Kconfig

Conflicts:

	arch/arm/mach-msm/Makefile

Conflicts:

	arch/arm/configs/BBKconfigs/elite_m7
	arch/arm/configs/elite_m7_defconfig
	arch/arm/mach-msm/Kconfig
	arch/arm/mach-msm/Makefile

Conflicts:
	arch/arm/configs/m7_defconfig
	arch/arm/mach-msm/Makefile