pch_phub: use module_pci_driver

this driver's pch_phub_pci_init, and pch_phub_pci_exit functions with
the module_init and module_exit calls can be replaced with
module_pci_driver

Signed-off-by: Devendra Naga <develkernel412222@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Author: Devendra Naga

drivers/misc/pch_phub.c

@@ -893,18 +893,7 @@ static struct pci_driver pch_phub_driver = {
 	.resume = pch_phub_resume
 };
 
-static int __init pch_phub_pci_init(void)
-{
-	return pci_register_driver(&pch_phub_driver);
-}
-
-static void __exit pch_phub_pci_exit(void)
-{
-	pci_unregister_driver(&pch_phub_driver);
-}
-
-module_init(pch_phub_pci_init);
-module_exit(pch_phub_pci_exit);
+module_pci_driver(pch_phub_driver);
 
 MODULE_DESCRIPTION("Intel EG20T PCH/LAPIS Semiconductor IOH(ML7213/ML7223) PHUB");
 MODULE_LICENSE("GPL");