[PATCH v6 02/16] dt-bindings: mediatek: add vdosys1 MERGE property for mt8195

[AngeloGioacchino Del Regno]

> MT8195 vdosys1 merge1 to merge4 have HW mute function.
> Add MERGE additional mute property description.
> 
> Signed-off-by: Nancy.Lin <nancy.lin at mediatek.com>
> ---
>   .../devicetree/bindings/display/mediatek/mediatek,merge.yaml  | 4 ++++
>   1 file changed, 4 insertions(+)
> 
Acked-By: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>