WLAN driver cleanup

Change-Id: I7918c5283ef5ee6bad22039f884593665ca67d8f
Legacy BT cleanup

Change-Id: Ie626474dafe41330f38a476f8b135621620861de
new BT from ejtagle

Change-Id: I3874815da25e90bba38b5f7ab05f6b7a756d9417