dt-bindings: mailbox: Add APSS shared for SM8150 and SC7180 SoCs

Add SM8150 and SC7180 APSS shared to the list of possible bindings.
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>

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

@@ -12,7 +12,9 @@ platforms.
 		    "qcom,msm8996-apcs-hmss-global"
 		    "qcom,msm8998-apcs-hmss-global"
 		    "qcom,qcs404-apcs-apps-global"
+		    "qcom,sc7180-apss-shared"
 		    "qcom,sdm845-apss-shared"
+		    "qcom,sm8150-apss-shared"
 
 - reg:
 	Usage: required