uhid: backport from 3.4

Change-Id: Ic48f83f4ed405048ff1e08c04768ed0baefe1caf
sc02c: enable uhid
bcmdhd: reenable IPv6, disable multicast in suspend

Change-Id: Ia7a190153e4bd1e12a94b1d42173ffda4dc32899
bcmdhd: disable GAN_LITE_NAT_KEEPALIVE_FILTER

Change-Id: I58dd48984a04dc43e1209574eb54446a558ec210