Enable USB audio adapters

Change-Id: I3c9f9e6cc5704f5efdf6db5f980ca77080a309c3
Enable smartcover sleep/wake

Change-Id: Ib816f6a4924ef386218d07b94fb396ec4fd4dc63
Enable multi-user

Change-Id: I0fc50fc6a7436f7725f6200aa5e95ae208b63177