dt-bindings: mailbox: qcom-ipcc: Add compatible for SM8550

Document the compatible for SM8550 mailbox.

Signed-off-by: Abel Vesa <[email protected]>
Reviewed-by: Krzysztof Kozlowski <[email protected]>
Signed-off-by: Jassi Brar <[email protected]>

Author: abelvesa

Documentation/devicetree/bindings/mailbox/qcom-ipcc.yaml

@@ -31,6 +31,7 @@ properties:
           - qcom,sm8250-ipcc
           - qcom,sm8350-ipcc
           - qcom,sm8450-ipcc
+          - qcom,sm8550-ipcc
       - const: qcom,ipcc
 
   reg: