CORD-1842 Update charm for DPDK

Change-Id: I8ccfa5d152754f62e3d531d0d7cc837139b937e1
diff --git a/profile_manifests/opencloud.yml b/profile_manifests/opencloud.yml
index f43ef90..607cc0c 100644
--- a/profile_manifests/opencloud.yml
+++ b/profile_manifests/opencloud.yml
@@ -70,7 +70,7 @@
   mongodb: "cs:trusty/mongodb-33"
   neutron-api: "cs:~cordteam/trusty/neutron-api-6"
   nova-cloud-controller: "cs:trusty/nova-cloud-controller-64"
-  nova-compute: "cs:~cordteam/trusty/nova-compute-3"
+  nova-compute: "cs:~cordteam/trusty/nova-compute-4"
   ntp: "cs:trusty/ntp-14"
   openstack-dashboard: "cs:trusty/openstack-dashboard-19"
   percona-cluster: "cs:trusty/percona-cluster-31"