mount the /opt/cord directory into XOS containers

Change-Id: I1911258347c139afd619b717439c88580ee12688
diff --git a/mcord/xos.yaml b/mcord/xos.yaml
index ad22fc9..ed642b1 100644
--- a/mcord/xos.yaml
+++ b/mcord/xos.yaml
@@ -47,6 +47,16 @@
               node: xos
               relationship: tosca.relationships.UsedByXOS
 
+    /opt/cord:
+      type: tosca.nodes.XOSVolume
+      properties:
+          host_path: "/opt/cord"
+          read_only: true
+      requirements:
+          - xos:
+             node: xos
+             relationship: tosca.relationships.UsedByXOS
+
     /root/setup:
       type: tosca.nodes.XOSVolume
       properties: