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/pl2303.c b/drivers/usb/serial/pl2303.c
index 3d8cda5..cc65d81 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -104,7 +104,6 @@
 	.id_table =	id_table,
 	.suspend =      usb_serial_suspend,
 	.resume =       usb_serial_resume,
-	.no_dynamic_id = 	1,
 	.supports_autosuspend =	1,
 };
 
@@ -834,7 +833,6 @@
 		.name =		"pl2303",
 	},
 	.id_table =		id_table,
-	.usb_driver = 		&pl2303_driver,
 	.num_ports =		1,
 	.bulk_in_size =		256,
 	.bulk_out_size =	256,
@@ -853,28 +851,23 @@
 	.release =		pl2303_release,
 };
 
+static struct usb_serial_driver * const serial_drivers[] = {
+	&pl2303_device, NULL
+};
+
 static int __init pl2303_init(void)
 {
 	int retval;
 
-	retval = usb_serial_register(&pl2303_device);
-	if (retval)
-		goto failed_usb_serial_register;
-	retval = usb_register(&pl2303_driver);
-	if (retval)
-		goto failed_usb_register;
-	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_DESC "\n");
-	return 0;
-failed_usb_register:
-	usb_serial_deregister(&pl2303_device);
-failed_usb_serial_register:
+	retval = usb_serial_register_drivers(&pl2303_driver, serial_drivers);
+	if (retval == 0)
+		printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_DESC "\n");
 	return retval;
 }
 
 static void __exit pl2303_exit(void)
 {
-	usb_deregister(&pl2303_driver);
-	usb_serial_deregister(&pl2303_device);
+	usb_serial_deregister_drivers(&pl2303_driver, serial_drivers);
 }
 
 module_init(pl2303_init);