ASoC: dt-bindings: fsl-esai: Add power-domains for fsl,imx8qm-esai

i.MX8QM's esai require power-domains property. Keep the same restriction
for other compatible string.

Signed-off-by: Frank Li <Frank.Li@nxp.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://patch.msgid.link/20240927205618.4093591-1-Frank.Li@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>

Documentation/devicetree/bindings/sound/fsl,esai.yaml

@@ -65,6 +65,9 @@ properties:
       - const: rx
       - const: tx
 
+  power-domains:
+    maxItems: 1
+
   fsl,fifo-depth:
     $ref: /schemas/types.yaml#/definitions/uint32
     default: 64
@@ -101,6 +104,17 @@ unevaluatedProperties: false
 
 allOf:
   - $ref: dai-common.yaml#
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: fsl,imx8qm-esai
+    then:
+      required:
+        - power-domains
+    else:
+      properties:
+        power-domains: false
 
 examples:
   - |