USB can distinguish between types of USB connections such as a DC charger or PC connection. Let the USB drivers set the specifc power_supply_type via this function. CRs-Fixed: 326548 Change-Id: I31954b3f8d2b1e5fd72712e1f94f67fdbc2e205d Signed-off-by: David Keitel <dkeitel@codeaurora.org>