dt-bindings: fsl-qdma: allow compatible string fallback to fsl,ls1021a-qdma

The IP of QDMA ls1028/ls1043/ls1046/ is same as ls1021. So allow compatible
string fallback to fsl,ls1021a-qdma.

The difference is that ls1021a-qdma have 3 irqs, and other have 5 irqs.

Fix below CHECK_DTB warning.
arch/arm64/boot/dts/freescale/fsl-ls1046a-rdb.dtb: dma-controller@8380000: compatible: ['fsl,ls1046a-qdma', 'fsl,ls1021a-qdma'] is too long

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Link: https://lore.kernel.org/r/20240710145400.2257718-1-Frank.Li@nxp.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

Author: nxpfrankli

Documentation/devicetree/bindings/dma/fsl-qdma.yaml

@@ -11,11 +11,14 @@ maintainers:
 
 properties:
   compatible:
-    enum:
-      - fsl,ls1021a-qdma
-      - fsl,ls1028a-qdma
-      - fsl,ls1043a-qdma
-      - fsl,ls1046a-qdma
+    oneOf:
+      - const: fsl,ls1021a-qdma
+      - items:
+          - enum:
+              - fsl,ls1028a-qdma
+              - fsl,ls1043a-qdma
+              - fsl,ls1046a-qdma
+          - const: fsl,ls1021a-qdma
 
   reg:
     items: