Input: touchscreen - 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/touchscreen/da9034-ts.c b/drivers/input/touchscreen/da9034-ts.c
index 2b72a59..36b65cf 100644
--- a/drivers/input/touchscreen/da9034-ts.c
+++ b/drivers/input/touchscreen/da9034-ts.c
@@ -379,18 +379,7 @@
 	.probe		= da9034_touch_probe,
 	.remove		= __devexit_p(da9034_touch_remove),
 };
-
-static int __init da9034_touch_init(void)
-{
-	return platform_driver_register(&da9034_touch_driver);
-}
-module_init(da9034_touch_init);
-
-static void __exit da9034_touch_exit(void)
-{
-	platform_driver_unregister(&da9034_touch_driver);
-}
-module_exit(da9034_touch_exit);
+module_platform_driver(da9034_touch_driver);
 
 MODULE_DESCRIPTION("Touchscreen driver for Dialog Semiconductor DA9034");
 MODULE_AUTHOR("Eric Miao <eric.miao@marvell.com>, Bin Yang <bin.yang@marvell.com>");