HID: adding __init/__exit macros to module init/exit functions

Trivial patch which adds the __init and __exit macros to the module_init /
module_exit functions of several HID drivers from drivers/hid/

Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/hid/hid-ezkey.c b/drivers/hid/hid-ezkey.c
index 0a1fe05..ca1163e 100644
--- a/drivers/hid/hid-ezkey.c
+++ b/drivers/hid/hid-ezkey.c
@@ -78,12 +78,12 @@
 	.event = ez_event,
 };
 
-static int ez_init(void)
+static int __init ez_init(void)
 {
 	return hid_register_driver(&ez_driver);
 }
 
-static void ez_exit(void)
+static void __exit ez_exit(void)
 {
 	hid_unregister_driver(&ez_driver);
 }