dt-bindings: arm64: dts: mediatek: Add mt8183-kukui-krane-sku176

The krane-sku176 is the Lenovo IdeaPad Duet Chromebook. A 2-in-1
detachable device using the MediaTek MT8183 SoC.

Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Link: https://lore.kernel.org/r/20200625101757.101775-2-enric.balletbo@collabora.com


Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>