dt-bindings: soc: mediatek: mt7986-wo-ccif: add binding for MT7988 SoC

Introduce MT7988 SoC compatibility string in mt7986-wo-ccif binding.
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

Documentation/devicetree/bindings/soc/mediatek/mediatek,mt7986-wo-ccif.yaml

@@ -20,6 +20,7 @@ properties:
     items:
       - enum:
           - mediatek,mt7986-wo-ccif
+          - mediatek,mt7988-wo-ccif
       - const: syscon
 
   reg: