soc: qcom: Add support for QDSS bridge driver

Add support to route QDSS data received from MDM via MHI
to USB. The driver will help route diag traffic over the
QDSS sub-system to USB on APPS side. It acts as a bridge
between PCIE MHI and USB interface.

Change-Id: Ifa50d4c3ce39e10e928e3e6f3e79085d2bc9d4e6
Signed-off-by: Satyajit Desai <sadesai@codeaurora.org>
diff --git a/drivers/soc/qcom/Kconfig b/drivers/soc/qcom/Kconfig
index 62306bad..18aaacc 100644
--- a/drivers/soc/qcom/Kconfig
+++ b/drivers/soc/qcom/Kconfig
@@ -686,3 +686,11 @@
 	  and ETM registers are saved and restored across power collapse.
 	  If unsure, say 'N' here to avoid potential power, performance and
 	  memory penalty.
+
+config QCOM_QDSS_BRIDGE
+	bool "Configure bridge driver for QTI/Qualcomm Technologies, Inc. MDM"
+	depends on MSM_MHI
+	help
+	  The driver will help route diag traffic from modem side over the QDSS
+	  sub-system to USB on APSS side. The driver acts as a bridge between the
+	  MHI and USB interface. If unsure, say N.
\ No newline at end of file