ASoC: dt-bindings: sun50i-dmic: Add D1 compatible string

The Allwinner D1 SoC has a DMIC codec like the one in the H6. It appears
to be register-compatible with the H6 variant, and the existing Linux
driver has been tested on a D1-based board, the Lichee RV 86 Panel.
Signed-off-by: Samuel Holland <samuel@sholland.org>
Acked-by: Ban Tao <fengzheng923@gmail.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20221116034621.37762-1-samuel@sholland.orgSigned-off-by: Mark Brown <broonie@kernel.org>

Documentation/devicetree/bindings/sound/allwinner,sun50i-h6-dmic.yaml

@@ -11,7 +11,12 @@ maintainers:
 
 properties:
   compatible:
-    const: allwinner,sun50i-h6-dmic
+    oneOf:
+      - items:
+          - enum:
+              - allwinner,sun20i-d1-dmic
+          - const: allwinner,sun50i-h6-dmic
+      - const: allwinner,sun50i-h6-dmic
 
   "#sound-dai-cells":
     const: 0