bcmdhd: disable GAN_LITE_NAT_KEEPALIVE_FILTER

Change-Id: I58dd48984a04dc43e1209574eb54446a558ec210
bcmdhd: reenable IPv6, disable multicast in suspend

Change-Id: Ia7a190153e4bd1e12a94b1d42173ffda4dc32899
Kernel 8.7 CM/AOKP/STOCK JB/ICS