dmaengine: s3c24xx: Constify platform_device_id

The platform_device_id is not modified by the driver and core uses it as
const.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski.k@gmail.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

drivers/dma/s3c24xx-dma.c

@@ -1168,7 +1168,7 @@ static struct soc_data soc_s3c2443 = {
 	.has_clocks = true,
 };
 
-static struct platform_device_id s3c24xx_dma_driver_ids[] = {
+static const struct platform_device_id s3c24xx_dma_driver_ids[] = {
 	{
 		.name		= "s3c2410-dma",
 		.driver_data	= (kernel_ulong_t)&soc_s3c2410,