CORD-1312: Generate Synchronizer configuration from xproto

Note: The new dependency graph has not been plugged into the
Synchronizer yet, although it has been tested. The integration task
will be carried out with the upcoming Synchronizer refactor.

Change-Id: Ie3c2a9d59478f3281da8edd33b9347559a1a2ba9
diff --git a/lib/xos-config/xosconfig/synchronizer-config-schema.yaml b/lib/xos-config/xosconfig/synchronizer-config-schema.yaml
index 16c5433..640d61c 100644
--- a/lib/xos-config/xosconfig/synchronizer-config-schema.yaml
+++ b/lib/xos-config/xosconfig/synchronizer-config-schema.yaml
@@ -16,6 +16,8 @@
             enum: ['file', 'console', 'elkstack']
   dependency_graph:
     type: str
+  link_graph:
+    type: str
   steps_dir:
     type: str
   sys_dir:
@@ -77,4 +79,4 @@
       default_flavor:
         type: str
       default_security_group:
-        type: str
\ No newline at end of file
+        type: str