ARM: pxa: use module_platform_driver macro

This patch removes some code duplication by using
module_platform_driver.

Signed-off-by: Srinivas Kandagatla <[e-mail]>
Acked-by: Igor Grinberg <[e-mail]>
Signed-off-by: Haojian Zhuang <[e-mail]>
Signed-off-by: Olof Johansson <[e-mail]>

arch/arm/mach-pxa/pxa3xx-ulpi.c

···
         .probe          = pxa3xx_u2d_probe,
         .remove         = pxa3xx_u2d_remove,
 };
-
-static int pxa3xx_u2d_ulpi_init(void)
-{
-	return platform_driver_register(&pxa3xx_u2d_ulpi_driver);
-}
-module_init(pxa3xx_u2d_ulpi_init);
-
-static void __exit pxa3xx_u2d_ulpi_exit(void)
-{
-	platform_driver_unregister(&pxa3xx_u2d_ulpi_driver);
-}
-module_exit(pxa3xx_u2d_ulpi_exit);
+module_platform_driver(pxa3xx_u2d_ulpi_driver);
 
 MODULE_DESCRIPTION("PXA3xx U2D ULPI driver");
 MODULE_AUTHOR("Igor Grinberg");