usb-serial: use new registration API in [n-p]* drivers

This patch (as1527) modifies the following usb-serial drivers to
utilize the new usb_serial_{de}register_drivers() routines:

	navman, omninet, opticon, option, oti6858, and pl2303.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/usb/serial/oti6858.c b/drivers/usb/serial/oti6858.c
index 343e626..53f2768 100644
--- a/drivers/usb/serial/oti6858.c
+++ b/drivers/usb/serial/oti6858.c
@@ -71,7 +71,6 @@
 	.probe =	usb_serial_probe,
 	.disconnect =	usb_serial_disconnect,
 	.id_table =	id_table,
-	.no_dynamic_id = 	1,
 };
 
 static bool debug;
@@ -157,7 +156,6 @@
 		.name =		"oti6858",
 	},
 	.id_table =		id_table,
-	.usb_driver =		&oti6858_driver,
 	.num_ports =		1,
 	.open =			oti6858_open,
 	.close =		oti6858_close,
@@ -176,6 +174,10 @@
 	.release =		oti6858_release,
 };
 
+static struct usb_serial_driver * const serial_drivers[] = {
+	&oti6858_device, NULL
+};
+
 struct oti6858_private {
 	spinlock_t lock;
 
@@ -960,21 +962,12 @@
 
 static int __init oti6858_init(void)
 {
-	int retval;
-
-	retval = usb_serial_register(&oti6858_device);
-	if (retval == 0) {
-		retval = usb_register(&oti6858_driver);
-		if (retval)
-			usb_serial_deregister(&oti6858_device);
-	}
-	return retval;
+	return usb_serial_register_drivers(&oti6858_driver, serial_drivers);
 }
 
 static void __exit oti6858_exit(void)
 {
-	usb_deregister(&oti6858_driver);
-	usb_serial_deregister(&oti6858_device);
+	usb_serial_deregister_drivers(&oti6858_driver, serial_drivers);
 }
 
 module_init(oti6858_init);