net/ethernet/qlogic/qlge/qlge_main: 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: NPeter Huewe <peterhuewe@gmx.de>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/qlogic/qlge/qlge_main.c

@@ -4945,15 +4945,4 @@ static struct pci_driver qlge_driver = {
 	.err_handler = &qlge_err_handler
 };
 
-static int __init qlge_init_module(void)
-{
-	return pci_register_driver(&qlge_driver);
-}
-
-static void __exit qlge_exit(void)
-{
-	pci_unregister_driver(&qlge_driver);
-}
-
-module_init(qlge_init_module);
-module_exit(qlge_exit);
+module_pci_driver(qlge_driver);