MHL discovery is initiated upon detecting ID ground state. This happens via an ID interrupt or charger detection work. Allow low power mode when MHL cable is connected. Change-Id: I3565817b53eb444509cf56269103921814147af9 Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org> Signed-off-by: Abhishek Kharbanda <akharban@codeaurora.org> Signed-off-by: Manoj Rao <manojraj@codeaurora.org>