dt-bindings: power: mediatek: Support Dimensity 1200 MT6893 MTCMOS

Add support for the Power Domains (MTCMOS) integrated into the
MediaTek Dimensity 1200 (MT6893) SoC.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Matthias Brugger <mbrugger@suse.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20250410143944.475773-2-angelogioacchino.delregno@collabora.com


Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>