add watchdog support for mt8192

v3 changes: 1.separate fixing compatibles description and adding new board with two patches. 2.update mt8183 DTSI for sync with the binding, while mt2712 DTSI has no watchdog node, thus not update it together. v2 changes: https://patchwork.kernel.org/patch/11690729/ https://patchwork.kernel.org/

[v2,0/3] add watchdog support for mt8192

v1 changes: https://patchwork.kernel.org/patch/11680495/ https://patchwork.kernel.org/patch/11680497/ Crystal Guo (3): dt-binding: mediatek: mt8192: update mtk-wdt document dt-binding: mt8192: add toprgu reset-controller head file watchdog: mt8192: add wdt support .../devicetree/bindings/w