watchdog: convert drivers/watchdog/* to use module_platform_driver_probe

This makes the code a bit smaller by getting rid of
some boilerplate code.

Signed-off-by: Fabio Porcedda <fabio.porcedda@gmail.com>
Cc: Wim Van Sebroeck <wim@iguana.be>
Cc: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/watchdog/coh901327_wdt.c b/drivers/watchdog/coh901327_wdt.c
index cb5da5c..b9b8a8b 100644
--- a/drivers/watchdog/coh901327_wdt.c
+++ b/drivers/watchdog/coh901327_wdt.c
@@ -451,17 +451,7 @@
 	.resume		= coh901327_resume,
 };
 
-static int __init coh901327_init(void)
-{
-	return platform_driver_probe(&coh901327_driver, coh901327_probe);
-}
-module_init(coh901327_init);
-
-static void __exit coh901327_exit(void)
-{
-	platform_driver_unregister(&coh901327_driver);
-}
-module_exit(coh901327_exit);
+module_platform_driver_probe(coh901327_driver, coh901327_probe);
 
 MODULE_AUTHOR("Linus Walleij <linus.walleij@stericsson.com>");
 MODULE_DESCRIPTION("COH 901 327 Watchdog");