DMA: shdma: (cosmetic) don't re-calculate a pointer

Use an existing pointer instead of retrieving it again.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

drivers/dma/sh/shdma.c

@@ -729,7 +729,7 @@ static int sh_dmae_probe(struct platform_device *pdev)
 		goto eshdma;
 
 	/* platform data */
-	shdev->pdata = pdev->dev.platform_data;
+	shdev->pdata = pdata;
 
 	if (pdata->chcr_offset)
 		shdev->chcr_offset = pdata->chcr_offset;