dt-bindings: remoteproc: mediatek: Support MT8188 dual-core SCP

Under different applications, the MT8188 SCP can be used as single-core
or dual-core.
Signed-off-by: Olivia Wen <olivia.wen@mediatek.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>

Link: https://lore.kernel.org/r/20240430011534.9587-2-olivia.wen@mediatek.comSigned-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>

Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml

@@ -19,6 +19,7 @@ properties:
       - mediatek,mt8183-scp
       - mediatek,mt8186-scp
       - mediatek,mt8188-scp
+      - mediatek,mt8188-scp-dual
       - mediatek,mt8192-scp
       - mediatek,mt8195-scp
       - mediatek,mt8195-scp-dual
@@ -194,6 +195,7 @@ allOf:
       properties:
         compatible:
           enum:
+            - mediatek,mt8188-scp-dual
             - mediatek,mt8195-scp-dual
     then:
       properties: