dmaengine: at_hdmac: empty entry shape modification

Trivial form modification to unify structure look.
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>

drivers/dma/at_hdmac.c

@@ -1185,7 +1185,9 @@ static const struct of_device_id atmel_dma_dt_ids[] = {
 	}, {
 		.compatible = "atmel,at91sam9g45-dma",
 		.data = (void *)ATDMA_DEVTYPE_SAM9G45
-	}, { /* sentinel */ }
+	}, {
+		/* sentinel */
+	}
 };
 
 MODULE_DEVICE_TABLE(of, atmel_dma_dt_ids);