dmaengine: at_xdmac: remove empty line

Remove empty line.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20221117131547.293044-4-claudiu.beznea@microchip.com


Signed-off-by: Vinod Koul <vkoul@kernel.org>