arm64: dts: mt8183: remove syscon from smi_common node

We don't need to register smi_common as syscon. Also add required
property power-domains for this node.

Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
Reviewed-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Link: https://lore.kernel.org/r/20210601040014.2970805-1-hsinyi@chromium.org


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