[media] rcar_vin: fix error message in rcar_vin_get_formats()

The dev_err() call is supposed to output <width>x<height> in decimal but one of
the format specifiers is "%x" instead of "%u" (most probably due  to a typo).
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

drivers/media/platform/soc_camera/rcar_vin.c

@@ -981,7 +981,7 @@ static int rcar_vin_get_formats(struct soc_camera_device *icd, unsigned int idx,
 
 		if (shift == 3) {
 			dev_err(dev,
-				"Failed to configure the client below %ux%x\n",
+				"Failed to configure the client below %ux%u\n",
 				mf.width, mf.height);
 			return -EIO;
 		}