Bluetooth: Add support for Set External Configuration management command

The Set External Configuration management command allows for switching
between configured and unconfigured start if HCI_QURIK_EXTERNAL_CONFIG
is set by the transport driver.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index 4f1c4c7..80c5fc9 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -173,6 +173,7 @@
 	HCI_UNREGISTER,
 	HCI_UNCONFIGURED,
 	HCI_USER_CHANNEL,
+	HCI_EXT_CONFIGURED,
 
 	HCI_LE_SCAN,
 	HCI_SSP_ENABLED,