dt-bindings: arm64: dts: mediatek: Add mt8183-kukui-jacuzzi-fennel

Fennel is known as Lenovo IdeaPad Flex 3 Chromebook.

Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210421090601.730744-6-hsinyi@chromium.org


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