bcmdhd: Squashed update from AOSP kernel/common/android-3.4

Update up to: 'net: wireless: bcmdhd: support Hotspot 2.0 release 1.0'
bcmdhd: Fix build with CONFIG_DHD_USE_SCHED_SCAN disabled
zeus: Initial bcmdhd configuration from 4.1.B.1.13
defconfig: zeus: Enable bcmdhd & dependencies