dt-bindings: mailbox: qcom: Add IPQ5018 APCS compatible

Add compatible for the Qualcomm IPQ5018 APCS block.
Signed-off-by: Manikanta Mylavarapu <quic_mmanikan@quicinc.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>

Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.yaml

@@ -18,6 +18,7 @@ properties:
     oneOf:
       - items:
           - enum:
+              - qcom,ipq5018-apcs-apps-global
               - qcom,ipq5332-apcs-apps-global
               - qcom,ipq8074-apcs-apps-global
               - qcom,ipq9574-apcs-apps-global