Xilinx AXI CDMA engine, it does transfers between memory and memory

Required properties:
- compatible: Should be "xlnx,axi-cdma"
- reg: Should contain CDMA registers location and length.
- interrupts: Should contain channel CDMA interrupts.

Example:
++++++++

axi_cdma_0: axicdma@40030000 {
	compatible = "xlnx,axi-cdma";
	reg = < 0x40030000 0x10000 >;
	dma-channel@40030000 {
		interrupts = < 0 59 4 >;
	} ;
} ;

