dmaengine: imx-sdma: Move message level to debug

Since commit d078cd1b ("dmaengine: imx-sdma: Add imx6sx platform
support") we get this message on every boot on mx6q:

imx-sdma 20ec000.sdma: no event needs to be remapped

, which is not very helpful.

Move the message to debug level instead.

Cc: Zidan Wang <zidan.wang@freescale.com>
Signed-off-by: NFabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: NVinod Koul <vinod.koul@intel.com>

drivers/dma/imx-sdma.c

@@ -1478,7 +1478,7 @@ static int __init sdma_event_remap(struct sdma_engine *sdma)
 	event_remap = of_find_property(np, propname, NULL);
 	num_map = event_remap ? (event_remap->length / sizeof(u32)) : 0;
 	if (!num_map) {
-		dev_warn(sdma->dev, "no event needs to be remapped\n");
+		dev_dbg(sdma->dev, "no event needs to be remapped\n");
 		goto out;
 	} else if (num_map % EVENT_REMAP_CELLS) {
 		dev_err(sdma->dev, "the property %s must modulo %d\n",