dmaengine: at_xdmac: align declaration of ret with the rest of variables

Align the declaration of ret in atmel_xdmac_resume() with the rest of
variables. Do this by adding ret to the line with declaration for i
variable.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20230214151827.1050280-8-claudiu.beznea@microchip.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>