net: wireless: bcmdhd: allow lower wifi signals via bcm4329 @showp1984
bcmdhd: allow only unicast packets when screen is off

    It seems HTC uses an ioctl instead of the packet filter to block broadcast a
    multicast packets but this does not work with the latest firmware.

    Bring back dhd_set_packet_filter.

    Kernel wakelock wlan_rx_wake overnight:
    Before: 40mins
    After: 3 mins