usb-serial: use new registration API in [k-m]* drivers

This patch (as1526) modifies the following usb-serial drivers to
utilize the new usb_serial_{de}register_drivers() routines:

	keyspan, kl5kusb105, kobil_sct, mct_u232, mos7720,
	mos7840, and moto_modem.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/usb/serial/moto_modem.c b/drivers/usb/serial/moto_modem.c
index e2bfecc..0af57d3 100644
--- a/drivers/usb/serial/moto_modem.c
+++ b/drivers/usb/serial/moto_modem.c
@@ -36,7 +36,6 @@
 	.probe =	usb_serial_probe,
 	.disconnect =	usb_serial_disconnect,
 	.id_table =	id_table,
-	.no_dynamic_id = 	1,
 };
 
 static struct usb_serial_driver moto_device = {
@@ -45,27 +44,21 @@
 		.name =		"moto-modem",
 	},
 	.id_table =		id_table,
-	.usb_driver =		&moto_driver,
 	.num_ports =		1,
 };
 
+static struct usb_serial_driver * const serial_drivers[] = {
+	&moto_device, NULL
+};
+
 static int __init moto_init(void)
 {
-	int retval;
-
-	retval = usb_serial_register(&moto_device);
-	if (retval)
-		return retval;
-	retval = usb_register(&moto_driver);
-	if (retval)
-		usb_serial_deregister(&moto_device);
-	return retval;
+	return usb_serial_register_drivers(&moto_driver, serial_drivers);
 }
 
 static void __exit moto_exit(void)
 {
-	usb_deregister(&moto_driver);
-	usb_serial_deregister(&moto_device);
+	usb_serial_deregister_drivers(&moto_driver, serial_drivers);
 }
 
 module_init(moto_init);