Bluetooth: hciuart: Add support QCA chipset for UART

QCA61x4 chips have supported sleep feature using In-Band-Sleep commands
to enable sleep feature based on H4 protocol. After sending
patch/nvm configuration is done, IBS mode will be up and running

Signed-off-by: Ben Young Tae Kim <ytkim@qca.qualcomm.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
diff --git a/drivers/bluetooth/Kconfig b/drivers/bluetooth/Kconfig
index f580334..0bd88c9 100644
--- a/drivers/bluetooth/Kconfig
+++ b/drivers/bluetooth/Kconfig
@@ -155,6 +155,19 @@
 
 	  Say Y here to compile support for Broadcom protocol.
 
+config BT_HCIUART_QCA
+	bool "Qualcomm Atheros protocol support"
+	depends on BT_HCIUART
+	select BT_HCIUART_H4
+	select BT_QCA
+	help
+	  The Qualcomm Atheros protocol supports HCI In-Band Sleep feature
+	  over serial port interface(H4) between controller and host.
+	  This protocol is required for UART clock control for QCA Bluetooth
+	  devices.
+
+	  Say Y here to compile support for QCA protocol.
+
 config BT_HCIBCM203X
 	tristate "HCI BCM203x USB driver"
 	depends on USB