parisc/superio: Use module_pci_driver to register driver

Removing some boilerplate by using module_pci_driver instead of calling
register and unregister in the otherwise empty init/exit functions.

Signed-off-by: Peter Huewe <[e-mail]>
Signed-off-by: Helge Deller <[e-mail]>

drivers/parisc/superio.c

···
 	.probe =        superio_probe,
 };
 
-static int __init superio_modinit(void)
-{
-	return pci_register_driver(&superio_driver);
-}
-
-static void __exit superio_exit(void)
-{
-	pci_unregister_driver(&superio_driver);
-}
-
-module_init(superio_modinit);
-module_exit(superio_exit);
+module_pci_driver(superio_driver);