video: convert drivers/video/* to use module_platform_driver()

This patch converts the drivers in drivers/video/* to use the
module_platform_driver() macro which makes the code smaller and a bit
simpler.

Cc: Ben Dooks <ben@simtec.co.uk>
Cc: Manuel Lauss <mano@roarinelk.homelinux.net>
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Wan ZongShun <mcuos.com@gmail.com>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Lennert Buytenhek <buytenh@wantstofly.org>
Acked-by: Alexey Charkov <alchark@gmail.com>
Acked-by: Damian Hobson-Garcia <dhobsong@igel.co.jp>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
diff --git a/drivers/video/s3c-fb.c b/drivers/video/s3c-fb.c
index 12eaee0..cf1d11f 100644
--- a/drivers/video/s3c-fb.c
+++ b/drivers/video/s3c-fb.c
@@ -2003,18 +2003,7 @@
 	},
 };
 
-static int __init s3c_fb_init(void)
-{
-	return platform_driver_register(&s3c_fb_driver);
-}
-
-static void __exit s3c_fb_cleanup(void)
-{
-	platform_driver_unregister(&s3c_fb_driver);
-}
-
-module_init(s3c_fb_init);
-module_exit(s3c_fb_cleanup);
+module_platform_driver(s3c_fb_driver);
 
 MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>");
 MODULE_DESCRIPTION("Samsung S3C SoC Framebuffer driver");