ASoC: dt-bindings: microchip,sama7g5-spdifrx: Add common DAI reference

Update the spdifrx yaml file to reference the dai-common.yaml schema,
enabling the use of the 'sound-name-prefix' property

Signed-off-by: Andrei Simion <[e-mail]>
Acked-by: Rob Herring (Arm) <[e-mail]>
Link: https://patch.msgid.link/[e-mail]
Signed-off-by: Mark Brown <[e-mail]>

Documentation/devicetree/bindings/sound/microchip,sama7g5-spdifrx.yaml

···
   The Microchip Sony/Philips Digital Interface Receiver is a serial port
   compliant with the IEC-60958 standard.
 
+allOf:
+  - $ref: dai-common.yaml#
+
 properties:
   "#sound-dai-cells":
     const: 0
···
   - dmas
   - dma-names
 
-additionalProperties: false
+unevaluatedProperties: false
 
 examples:
   - |