dt-bindings: dmaengine: zynqmp_dma: Add a new compatible string

Add compatible string "amd,versal2-dma-1.0" to support AMD Versal Gen 2
platform.

AMD Versal Gen 2 has 8 LPD DMA IPs in PS that can be used as general
purpose DMAs which is designed to support memory to memory and memory to
IO buffer transfer. Versal Gen 2 DMA IP has different interrupt register
offset.

Signed-off-by: Abin Joseph <[email protected]>
Acked-by: Krzysztof Kozlowski <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Vinod Koul <[email protected]>

Author: abinJoseph25k07

Documentation/devicetree/bindings/dma/xilinx/xlnx,zynqmp-dma-1.0.yaml

@@ -24,7 +24,9 @@ properties:
     const: 1
 
   compatible:
-    const: xlnx,zynqmp-dma-1.0
+    enum:
+      - amd,versal2-dma-1.0
+      - xlnx,zynqmp-dma-1.0
 
   reg:
     description: memory map for gdma/adma module access