arm64: dts: mt8183: add thermal zone node

Add thermal zone node to Mediatek MT8183 dts file.

Evaluate the thermal zone every 500ms while not cooling
and every 100ms when passive cooling is performed.

Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Tested-by: Hsin-Yi Wang <hsinyi@chromium.org>
Signed-off-by: Michael Kao <michael.kao@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>