dt-bindings: arm64: mediatek: Add mt8183-kukui-katsu

Add katsu sku32 and sku38 which uses different audio codec.
Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>

Documentation/devicetree/bindings/arm/mediatek.yaml

@@ -235,6 +235,13 @@ properties:
         items:
           - const: google,kappa
           - const: mediatek,mt8183
+      - description: Google Katsu (ASUS Chromebook Detachable CZ1)
+        items:
+          - enum:
+              - google,katsu-sku32
+              - google,katsu-sku38
+          - const: google,katsu
+          - const: mediatek,mt8183
       - description: Google Kodama (Lenovo 10e Chromebook Tablet)
         items:
           - enum: