rtc: rtc-omap: use module_platform_driver_probe()

Use module_platform_driver_probe() macro which makes the code smaller and
simpler.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/rtc/rtc-omap.c

@@ -550,17 +550,7 @@ static struct platform_driver omap_rtc_driver = {
 	.id_table	= omap_rtc_devtype,
 };
 
-static int __init rtc_init(void)
-{
-	return platform_driver_probe(&omap_rtc_driver, omap_rtc_probe);
-}
-module_init(rtc_init);
-
-static void __exit rtc_exit(void)
-{
-	platform_driver_unregister(&omap_rtc_driver);
-}
-module_exit(rtc_exit);
+module_platform_driver_probe(omap_rtc_driver, omap_rtc_probe);
 
 MODULE_AUTHOR("George G. Davis (and others)");
 MODULE_LICENSE("GPL");