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

Juniper is known as Acer Chromebook Spin 311 (CP311-3H).

Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
Tested-by: Ricardo Cañuelo <ricardo.canuelo@collabora.com>
Link: https://lore.kernel.org/r/20210319035245.2751911-4-hsinyi@chromium.org
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>