Input: keyboard - use macro module_platform_driver()

Commit 940ab88962bc1aff3273a8356d64577a6e386736 introduced a new macro to
save some platform_driver boilerplate code. Use it.

Signed-off-by: JJ Ding <dgdunix@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/input/keyboard/jornada720_kbd.c b/drivers/input/keyboard/jornada720_kbd.c
index 0aa6740..eeafc30 100644
--- a/drivers/input/keyboard/jornada720_kbd.c
+++ b/drivers/input/keyboard/jornada720_kbd.c
@@ -174,16 +174,4 @@
 	.probe   = jornada720_kbd_probe,
 	.remove  = __devexit_p(jornada720_kbd_remove),
 };
-
-static int __init jornada720_kbd_init(void)
-{
-	return platform_driver_register(&jornada720_kbd_driver);
-}
-
-static void __exit jornada720_kbd_exit(void)
-{
-	platform_driver_unregister(&jornada720_kbd_driver);
-}
-
-module_init(jornada720_kbd_init);
-module_exit(jornada720_kbd_exit);
+module_platform_driver(jornada720_kbd_driver);