arm64: dts: mt8183: Add kukui-jacuzzi-fennel board

Fennel is known as Lenovo IdeaPad Flex 3 Chromebook.
Fennel14 is known as Lenovo IdeaPad 3 Chromebook.

Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
Link: https://lore.kernel.org/r/20210421090601.730744-11-hsinyi@chromium.org


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