dt-bindings: ASoC: rockchip: Add compatible for RK3128 spdif

Add compatible for RK3128's S/PDIF.

Signed-off-by: Alex Bee <[email protected]>
Acked-by: Krzysztof Kozlowski <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>

Author: knaerzche

Documentation/devicetree/bindings/sound/rockchip-spdif.yaml

@@ -26,6 +26,7 @@ properties:
       - const: rockchip,rk3568-spdif
       - items:
           - enum:
+              - rockchip,rk3128-spdif
               - rockchip,rk3188-spdif
               - rockchip,rk3288-spdif
               - rockchip,rk3308-spdif