misc: ep93xx_pwm: use module_platform_driver_probe()

This patch uses module_platform_driver_probe() macro which makes
the code smaller and simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/misc/ep93xx_pwm.c

@@ -365,18 +365,7 @@ static struct platform_driver ep93xx_pwm_driver = {
 	.remove		= __exit_p(ep93xx_pwm_remove),
 };
 
-static int __init ep93xx_pwm_init(void)
-{
-	return platform_driver_probe(&ep93xx_pwm_driver, ep93xx_pwm_probe);
-}
-
-static void __exit ep93xx_pwm_exit(void)
-{
-	platform_driver_unregister(&ep93xx_pwm_driver);
-}
-
-module_init(ep93xx_pwm_init);
-module_exit(ep93xx_pwm_exit);
+module_platform_driver_probe(ep93xx_pwm_driver, ep93xx_pwm_probe);
 
 MODULE_AUTHOR("Matthieu Crapet <mcrapet@gmail.com>, "
 	      "H Hartley Sweeten <hsweeten@visionengravers.com>");