dt-bindings: mailbox: qom: Add ipq8074 APPS compatible

Add mailbox support required in IPQ8074 SoCs.
Signed-off-by: Gokul Sriram Palanisamy <gokulsri@codeaurora.org>
Signed-off-by: Sricharan R <sricharan@codeaurora.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>

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

@@ -15,6 +15,7 @@ platforms.
 		    "qcom,sc7180-apss-shared"
 		    "qcom,sdm845-apss-shared"
 		    "qcom,sm8150-apss-shared"
+		    "qcom,ipq8074-apcs-apps-global"
 
 - reg:
 	Usage: required