Setting shared services as optional requirements

Change-Id: I49e7b12707bef85b8f2530490114e97e3078a620
diff --git a/xos-profiles/mcord/requirements.yaml b/xos-profiles/mcord/requirements.yaml
index c00bca2..299f986 100644
--- a/xos-profiles/mcord/requirements.yaml
+++ b/xos-profiles/mcord/requirements.yaml
@@ -20,9 +20,11 @@
 - name: onos-service
   version: 2.0.7
   repository: file://../../xos-services/onos-service
+  condition: onos-service.enabled
 - name: fabric
   version: 2.1.9
   repository: file://../../xos-services/fabric
+  condition: fabric.enabled
 - name: mcord-subscriber
   version: 2.0.4
   repository: file://../../xos-services/mcord-subscriber