bcmdhd: Enable Ad-Hoc (IBSS) mode
interface flag and avoid some P2P specific settings while scanning.

Also add the "station get" command for IBSS mode.

Signed-off-by: Bruno Randolf <br1@einfach.org>

Change-Id: I10a047f76495d7fedfee16d0ac10de239e494567
tuna_ak_defconfig: Rework for WIFI 3.4 Compatibility
Kernel Version: AK.091