ASoC: sun4i-spdif: Add Allwinner H616 compatible

The SPDIF hardware block found in the H616 SoC has the same layout as
the one found in the H6 SoC, except that it is missing the receiver
side.

Add a new compatible string for it.

Signed-off-by: Chen-Yu Tsai <[email protected]>
Acked-by: Conor Dooley <[email protected]>
Reviewed-by: Jernej Skrabec <[email protected]>
Link: https://msgid.link/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>

Documentation/devicetree/bindings/sound/allwinner,sun4i-a10-spdif.yaml

@@ -22,6 +22,7 @@ properties:
       - const: allwinner,sun6i-a31-spdif
       - const: allwinner,sun8i-h3-spdif
       - const: allwinner,sun50i-h6-spdif
+      - const: allwinner,sun50i-h616-spdif
       - items:
           - const: allwinner,sun8i-a83t-spdif
           - const: allwinner,sun8i-h3-spdif
@@ -63,6 +64,7 @@ allOf:
               - allwinner,sun6i-a31-spdif
               - allwinner,sun8i-h3-spdif
               - allwinner,sun50i-h6-spdif
+              - allwinner,sun50i-h616-spdif
 
     then:
       required:
@@ -74,6 +76,7 @@ allOf:
           contains:
             enum:
               - allwinner,sun8i-h3-spdif
+              - allwinner,sun50i-h616-spdif
 
     then:
       properties: