dmaengine: edma: Print the direction value as well when it is not supported

In case of not supported direction it is better to print the direction also.
It is unlikely, but in such an event it helps with the debugging.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Joel Fernandes <joelf@ti.com>
Reviewed-and-Tested-by: Joel Fernandes <joelf@ti.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>