dt-bindings: dma: fsl-edma: remove 'clocks' from required

fsl,imx8qm-adma and fsl,imx8qm-edma don't require 'clocks'. Remove it from
required and add 'if' block for other compatible string to keep the same
restrictions.

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

Author: nxpfrankli

Documentation/devicetree/bindings/dma/fsl,edma.yaml

@@ -81,7 +81,6 @@ required:
   - compatible
   - reg
   - interrupts
-  - clocks
   - dma-channels
 
 allOf:
@@ -185,6 +184,22 @@ allOf:
         "#dma-cells":
           const: 3
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - fsl,vf610-edma
+              - fsl,imx7ulp-edma
+              - fsl,imx93-edma3
+              - fsl,imx93-edma4
+              - fsl,imx95-edma5
+              - fsl,imx8ulp-edma
+              - fsl,ls1028a-edma
+    then:
+      required:
+        - clocks
+
 unevaluatedProperties: false
 
 examples: