serial: samsung: 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>
Acked-by: Vineet Gupta <vgupta@synopsys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/tty/serial/samsung.c

@@ -1254,7 +1254,7 @@ static int s3c24xx_serial_probe(struct platform_device *pdev)
 	ourport->baudclk = ERR_PTR(-EINVAL);
 	ourport->info = ourport->drv_data->info;
 	ourport->cfg = (dev_get_platdata(&pdev->dev)) ?
-			(struct s3c2410_uartcfg *)dev_get_platdata(&pdev->dev) :
+			dev_get_platdata(&pdev->dev) :
 			ourport->drv_data->def_cfg;
 
 	ourport->port.fifosize = (ourport->info->fifosize) ?