abx500-chargalg: Use module_platform_driver() rather

deprecate some boilerplate code by using module_platform_driver
helper macro. No functional changes.
Signed-off-by: srinidhi kasagar <srinidhi.kasagar@stericsson.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

drivers/power/abx500_chargalg.c

@@ -2083,18 +2083,7 @@ static struct platform_driver abx500_chargalg_driver = {
 	},
 };
 
-static int __init abx500_chargalg_init(void)
-{
-	return platform_driver_register(&abx500_chargalg_driver);
-}
-
-static void __exit abx500_chargalg_exit(void)
-{
-	platform_driver_unregister(&abx500_chargalg_driver);
-}
-
-module_init(abx500_chargalg_init);
-module_exit(abx500_chargalg_exit);
+module_platform_driver(abx500_chargalg_driver);
 
 MODULE_LICENSE("GPL v2");
 MODULE_AUTHOR("Johan Palsson, Karl Komierowski");