dt-bindings: arm64: dts: mediatek: Add krane sku0

Krane-sku0 is similar to krane-sku176 but using a different panel
source.
Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Link: https://lore.kernel.org/r/20210113110400.616319-3-hsinyi@chromium.orgSigned-off-by: Matthias Brugger <matthias.bgg@gmail.com>

Documentation/devicetree/bindings/arm/mediatek.yaml

@@ -120,7 +120,9 @@ properties:
           - const: mediatek,mt8183
       - description: Google Krane (Lenovo IdeaPad Duet, 10e,...)
         items:
-          - const: google,krane-sku176
+          - enum:
+              - google,krane-sku0
+              - google,krane-sku176
           - const: google,krane
           - const: mediatek,mt8183