Bluetooth: Add support for New Configuration Options management event

When one or more of the missing configuration options change, then send
this even to all the other management interface clients.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
diff --git a/include/net/bluetooth/mgmt.h b/include/net/bluetooth/mgmt.h
index c7d537f..80606d2 100644
--- a/include/net/bluetooth/mgmt.h
+++ b/include/net/bluetooth/mgmt.h
@@ -669,3 +669,5 @@
 #define MGMT_EV_UNCONF_INDEX_ADDED	0x001d
 
 #define MGMT_EV_UNCONF_INDEX_REMOVED	0x001e
+
+#define MGMT_EV_NEW_CONFIG_OPTIONS	0x001f