This patch updates the device-tree binding doc for
AXI DMA multi channel dma mode.
Acked-by: NRob Herring <robh@kernel.org>
Signed-off-by: NKedareswara rao Appana <appanad@xilinx.com>
Signed-off-by: NVinod Koul <vinod.koul@intel.com>