bcmdhd: reenable IPv6, disable multicast in suspend

Change-Id: Ia7a190153e4bd1e12a94b1d42173ffda4dc32899
bcmdhd: disable GAN_LITE_NAT_KEEPALIVE_FILTER

Change-Id: I58dd48984a04dc43e1209574eb54446a558ec210
Merge remote-tracking branch 'upstream/cm-10.1' into cm-10.1