dt-bindings: mfd: mediatek: Add scpsys compatible for mt8186

Add a new scpsys compatible for mt8186 SoC.
Signed-off-by: Allen-KH Cheng <allen-kh.cheng@mediatek.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/20220923131148.6678-2-allen-kh.cheng@mediatek.com

Documentation/devicetree/bindings/mfd/mediatek,mt8195-scpsys.yaml

@@ -21,6 +21,7 @@ properties:
           - mediatek,mt8167-scpsys
           - mediatek,mt8173-scpsys
           - mediatek,mt8183-scpsys
+          - mediatek,mt8186-scpsys
           - mediatek,mt8192-scpsys
           - mediatek,mt8195-scpsys
       - const: syscon