mailbox: Add support for Qualcomm SDM845 SoCs

Add the corresponding APSS shared offset for SDM845 SoC

Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
diff --git a/drivers/mailbox/qcom-apcs-ipc-mailbox.c b/drivers/mailbox/qcom-apcs-ipc-mailbox.c
index f47af1e..333ed4a 100644
--- a/drivers/mailbox/qcom-apcs-ipc-mailbox.c
+++ b/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,sdm845-apss-shared", .data = (void *)12 },
 	{}
 };
 MODULE_DEVICE_TABLE(of, qcom_apcs_ipc_of_match);