power: charger-manager: Remove casting the return value which is a void pointer

Casting the return value which is a void pointer is redundant.
The conversion from void pointer to any other pointer type is
guaranteed by the C programming language.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
diff --git a/drivers/power/charger-manager.c b/drivers/power/charger-manager.c
index 4e560f7..c1ed3c9 100644
--- a/drivers/power/charger-manager.c
+++ b/drivers/power/charger-manager.c
@@ -1656,7 +1656,7 @@
 {
 	if (pdev->dev.of_node)
 		return of_cm_parse_desc(&pdev->dev);
-	return (struct charger_desc *)dev_get_platdata(&pdev->dev);
+	return dev_get_platdata(&pdev->dev);
 }
 
 static int charger_manager_probe(struct platform_device *pdev)