Bluetooth: Add support for sending MGMT open and close to monitor

This sends new notifications to the monitor support whenever a
management channel has been opened or closed. This allows tracing of
control channels really easily.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>

include/net/bluetooth/hci_mon.h

@@ -45,6 +45,8 @@ struct hci_mon_hdr {
 #define HCI_MON_VENDOR_DIAG	11
 #define HCI_MON_SYSTEM_NOTE	12
 #define HCI_MON_USER_LOGGING	13
+#define HCI_MON_CTRL_OPEN	14
+#define HCI_MON_CTRL_CLOSE	15
 
 struct hci_mon_new_index {
 	__u8		type;