usb: Fast charge support

Conflicts:
	arch/arm/mach-msm/Kconfig
	arch/arm/mach-msm/Makefile
	drivers/i2c/chips/fsa9480.c
	drivers/usb/gadget/msm72k_udc.c

Change-Id: Ifc7267487fadcd46fd8c1d3b26de463e33b18530