replace SiteDeployment with new non-nested requirements

Change-Id: I151bd07f278d1021481541bdc46fb36fe3713c79
diff --git a/common/mydeployment.yaml b/common/mydeployment.yaml
index c81fd93..1205723 100644
--- a/common/mydeployment.yaml
+++ b/common/mydeployment.yaml
@@ -42,7 +42,7 @@
       requirements:
           - deployment:
                node: MyDeployment
-               relationship: tosca.relationships.SiteDeployment
+               relationship: tosca.relationships.MemberOfDeployment
 
     # Attach the Tenant view to the MyDeployment deployment
     Tenant: