arm64: dts: mediatek: Add mt8192 clock controllers

Add clock controller nodes for SoC mt8192

Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com>
Signed-off-by: Chun-Jie Chen <chun-jie.chen@mediatek.com>
Reviewed-by: Ikjoon Jang <ikjn@chromium.org>
Link: https://lore.kernel.org/r/20210727023205.20319-2-chun-jie.chen@mediatek.com


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