ARM: enable ARCH_POWER
bcmdhd: 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

Conflicts:
	drivers/net/wireless/bcmdhd/Makefile
	drivers/net/wireless/bcmdhd4339/Makefile
hlte: power enhancement for wacom hardware.

* always disable digitizer when the pen is inserted

Change-Id: I6c9798682f9f6349b37cb452353bd0c0e6958401