Bluetooth backport management

Conflicts:
	drivers/bluetooth/ath3k.c
	drivers/bluetooth/btusb.c
	drivers/bluetooth/hci_ldisc.c
	include/net/bluetooth/hci.h
	net/bluetooth/hci_core.c
	net/bluetooth/hci_event.c
	net/bluetooth/hci_sock.c
	net/bluetooth/hidp/core.c
	net/bluetooth/l2cap_core.c