soc: mediatek: mmsys: add MT8365 support

Add DSI mmsys connections for the MT8365 SoC.

Signed-off-by: Fabien Parent <fparent@baylibre.com>
Link: https://lore.kernel.org/r/20210519161847.3747352-3-fparent@baylibre.com


[mb: take the mask field into account]
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>