[Bluetooth] Correct the module alias for the network family

The module alias for PF_BLUETOOTH was placed in the BNEP module, but it
has to be in the Bluetooth core module.

net/bluetooth/af_bluetooth.c

@@ -360,3 +360,4 @@ module_exit(bt_cleanup);
 MODULE_AUTHOR("Maxim Krasnyansky <maxk@qualcomm.com>");
 MODULE_DESCRIPTION("Bluetooth Core ver " VERSION);
 MODULE_LICENSE("GPL");
+MODULE_ALIAS_NETPROTO(PF_BLUETOOTH);

net/bluetooth/bnep/core.c

@@ -707,4 +707,3 @@ module_exit(bnep_cleanup_module);
 MODULE_DESCRIPTION("Bluetooth BNEP ver " VERSION);
 MODULE_AUTHOR("David Libault <david.libault@inventel.fr>, Maxim Krasnyanskiy <maxk@qualcomm.com>");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_NETPROTO(PF_BLUETOOTH);