Bluetooth: Define HCI reasons instead of magic number

Use HCI error reasons instead of magic numbers.

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index e545376..ac94367 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -820,7 +820,7 @@
 
 		c->state = BT_CLOSED;
 
-		hci_proto_disconn_cfm(c, 0x16);
+		hci_proto_disconn_cfm(c, HCI_ERROR_LOCAL_HOST_TERM);
 		hci_conn_del(c);
 	}
 }