HID: Use module_hid_driver macro

Use the new module_hid_driver macro in all HID drivers that have
a simple register/unregister init/exit.

This also converts the hid drivers that test for a failure of
hid_register_driver() and report the failure. Using module_hid_driver
in those drivers removes the failure message.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

drivers/hid/hid-elecom.c

@@ -41,17 +41,6 @@ static struct hid_driver elecom_driver = {
 	.id_table = elecom_devices,
 	.report_fixup = elecom_report_fixup
 };
+module_hid_driver(elecom_driver);
 
-static int __init elecom_init(void)
-{
-	return hid_register_driver(&elecom_driver);
-}
-
-static void __exit elecom_exit(void)
-{
-	hid_unregister_driver(&elecom_driver);
-}
-
-module_init(elecom_init);
-module_exit(elecom_exit);
 MODULE_LICENSE("GPL");