arm64: dts: mediatek: mt8183: Add decoder

Add node for the hardware decoder present on the MT8183 SoC.

Signed-off-by: Yunfei Dong <yunfei.dong@mediatek.com>
Signed-off-by: Qianqian Yan <qianqian.yan@mediatek.com>
Signed-off-by: Frederic Chen <frederic.chen@mediatek.com>
Signed-off-by: Alexandre Courbot <acourbot@chromium.org>
Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20230630151436.155586-8-nfraprado@collabora.com