refactoring of mcp repositories

Change-Id: I6cb3bd7fc2a983d83b0e11d4262fad24a1037cc2
diff --git a/classes/cluster/virtual-mcp10-ovs/openstack/dashboard.yml b/classes/cluster/virtual-mcp10-ovs/openstack/dashboard.yml
index d090842..2088261 100644
--- a/classes/cluster/virtual-mcp10-ovs/openstack/dashboard.yml
+++ b/classes/cluster/virtual-mcp10-ovs/openstack/dashboard.yml
@@ -1,4 +1,6 @@
 classes:
+- system.linux.system.repo.mcp.extra
+- system.linux.system.repo.saltstack.trusty
 - system.linux.system.repo.tcp_mk20
 - service.horizon.server.single
 - cluster.virtual-mcp10-ovs