smdk4412: fix mag cover turning screen off

when charger is plugged in or disconnected while cover is closed
and then opened.

Change-Id: Ifa74d3d0689e1a5c84a4683c2fe24918bc5ab87a
filter multicast packages while suspended.

in some crowded WLANs, with a lot of multicast packages circulating,
the device would not enter deep sleep.
this will allow the device to enter deep sleep.

Change-Id: I72cfefe89af64a7152e644d5095a57823ef04f4e
Merge "smdk4412: fix mag cover turning screen off" into cm-11.0
Merge "filter multicast packages while suspended." into cm-11.0