Bluetooth: mgmt: Add address type parameter to Discovering event

This patch adds an address type parameter to the Discovering event. The
value matches that given to Start/Stop Discovery.

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

include/net/bluetooth/mgmt.h

@@ -402,6 +402,10 @@ struct mgmt_ev_device_found {
 } __packed;
 
 #define MGMT_EV_DISCOVERING		0x0013
+struct mgmt_ev_discovering {
+	__u8 type;
+	__u8 discovering;
+} __packed;
 
 #define MGMT_EV_DEVICE_BLOCKED		0x0014
 struct mgmt_ev_device_blocked {