arm64: dts: mt8183: Add jacuzzi pico/pico6 board

pico is also known as Acer Chromebook Spin 311.

Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
[Angelo: Fixed blank lines at the end for pico.dts]
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>