QuickBoot: Charger: add parameter to support QuickBoot mode

If there is unplug event in QuickBoot mode, close display
and go to sleep mode.

Change-Id: Iaa41255b71767e5cce327c4f441de9a870b384f3
charger: Underp the backlight

 * Always disable the backlight before blanking, or derp is your life.

Change-Id: I225ff0e881cf781fa3e7054c2f6dfa02a6ab23f9