This node was accidentally removed by commit 645afe73 ("ARM: dts:
aspeed: ast2600: Update XDMA engine node").

Fixes: 645afe73 ("ARM: dts: aspeed: ast2600: Update XDMA engine node")
Signed-off-by: Howard Chiu <howard_chiu@aspeedtech.com>
Link: https://lore.kernel.org/r/SG2PR06MB2315C57600A0132FEF40F21EE61E9@SG2PR06MB2315.apcprd06.prod.outlook.comSigned-off-by: Joel Stanley <joel@jms.id.au>