ASoC: dt-bindings: fsl_easrc: Add support for imx8mp-easrc

The i.MX8MP appears to have the same easrc support as the Nano, so
add imx8mp as an option with a fallback to imx8mn.

Signed-off-by: Adam Ford <aford173@gmail.com
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org
Acked-by: Conor Dooley <conor.dooley@microchip.com
Link: https://lore.kernel.org/r/20230827023155.467807-1-aford173@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org

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

@@ -14,7 +14,13 @@ properties:
     pattern: "^easrc@.*"
 
   compatible:
-    const: fsl,imx8mn-easrc
+    oneOf:
+      - enum:
+          - fsl,imx8mn-easrc
+      - items:
+          - enum:
+              - fsl,imx8mp-easrc
+          - const: fsl,imx8mn-easrc
 
   reg:
     maxItems: 1