mailbox: qcom: Add QCS404 APPS Global compatible

Add support for the QCS404 APPS Global block with IPC register at offset
8.
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Vinod Koul <vkoul@kernel.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

@@ -11,6 +11,7 @@ platforms.
 		    "qcom,msm8916-apcs-kpss-global",
 		    "qcom,msm8996-apcs-hmss-global"
 		    "qcom,msm8998-apcs-hmss-global"
+		    "qcom,qcs404-apcs-apps-global"
 		    "qcom,sdm845-apss-shared"
 
 - reg:

drivers/mailbox/qcom-apcs-ipc-mailbox.c

@@ -126,6 +126,7 @@ static const struct of_device_id qcom_apcs_ipc_of_match[] = {
 	{ .compatible = "qcom,msm8916-apcs-kpss-global", .data = (void *)8 },
 	{ .compatible = "qcom,msm8996-apcs-hmss-global", .data = (void *)16 },
 	{ .compatible = "qcom,msm8998-apcs-hmss-global", .data = (void *)8 },
+	{ .compatible = "qcom,qcs404-apcs-apps-global", .data = (void *)8 },
 	{ .compatible = "qcom,sdm845-apss-shared", .data = (void *)12 },
 	{}
 };