dmaengine: at_xdmac: use pm_ptr()

Use pm_ptr() macro to fill at_xdmac_driver.driver.pm.
Signed-off-by: NClaudiu Beznea <claudiu.beznea@microchip.com>
Reviewed-by: NTudor Ambarus <tudor.ambarus@microchip.com>
Link: https://lore.kernel.org/r/20211007111230.2331837-5-claudiu.beznea@microchip.comSigned-off-by: NVinod Koul <vkoul@kernel.org>

drivers/dma/at_xdmac.c

@@ -2231,7 +2231,7 @@ static struct platform_driver at_xdmac_driver = {
 	.driver = {
 		.name		= "at_xdmac",
 		.of_match_table	= of_match_ptr(atmel_xdmac_dt_ids),
-		.pm		= &atmel_xdmac_dev_pm_ops,
+		.pm		= pm_ptr(&atmel_xdmac_dev_pm_ops),
 	}
 };