msm: mdss: Add distinction between positive and negative polarities
fastcharge: initial Nexus 5 adaptation

added custom charge levels for better control over fastcharge

Signed-off-by: Paul Reioux <reioux@gmail.com>

Conflicts:
	arch/arm/mach-msm/Makefile
	drivers/power/bq24192_charger.c

Conflicts:
	arch/arm/mach-msm/Kconfig
	arch/arm/mach-msm/Makefile
	drivers/usb/dwc3/dwc3_otg.c
defconfig: enable fast charge
Charger: Remove Logspam

Signed-off-by: Chester Kener <Cl3Kener@gmail.com>