can: tscan1: Utilize the module_isa_driver macro

This driver does not do anything special in module init/exit. This patch
eliminates the module init/exit boilerplate code by utilizing the
module_isa_driver macro.
Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

drivers/net/can/sja1000/tscan1.c

@@ -203,14 +203,4 @@ static struct isa_driver tscan1_isa_driver = {
 	},
 };
 
-static int __init tscan1_init(void)
-{
-	return isa_register_driver(&tscan1_isa_driver, TSCAN1_MAXDEV);
-}
-module_init(tscan1_init);
-
-static void __exit tscan1_exit(void)
-{
-	isa_unregister_driver(&tscan1_isa_driver);
-}
-module_exit(tscan1_exit);
+module_isa_driver(tscan1_isa_driver, TSCAN1_MAXDEV);