Bluetooth: Rename mgmt connected events to match user space

User space uses device_(dis)connected instead of just (dis)connected so
rename the defines and functions to match this.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
diff --git a/include/net/bluetooth/mgmt.h b/include/net/bluetooth/mgmt.h
index be65d34..d1d13dc 100644
--- a/include/net/bluetooth/mgmt.h
+++ b/include/net/bluetooth/mgmt.h
@@ -328,9 +328,9 @@
 	struct mgmt_link_key_info key;
 } __packed;
 
-#define MGMT_EV_CONNECTED		0x000A
+#define MGMT_EV_DEVICE_CONNECTED	0x000A
 
-#define MGMT_EV_DISCONNECTED		0x000B
+#define MGMT_EV_DEVICE_DISCONNECTED	0x000B
 
 #define MGMT_EV_CONNECT_FAILED		0x000C
 struct mgmt_ev_connect_failed {