FIX Packer: No suitable endpoint could be found in the service catalog

It looks like the packer requires following parameters
in the json configuration file for the OpenStack builder:
- builders -> "region"
- builders -> "domain_name"

Change-Id: I2dd8f3051765d90934d890102cceffea0d7d27a3
diff --git a/infra/jenkins/slave-setup/nordix-nsm-build-server/nordix-nsm-build-server-ubuntu1804-kna.json b/infra/jenkins/slave-setup/nordix-nsm-build-server/nordix-nsm-build-server-ubuntu1804-kna.json
index a4a7167..d4a3bb4 100644
--- a/infra/jenkins/slave-setup/nordix-nsm-build-server/nordix-nsm-build-server-ubuntu1804-kna.json
+++ b/infra/jenkins/slave-setup/nordix-nsm-build-server/nordix-nsm-build-server-ubuntu1804-kna.json
@@ -2,6 +2,8 @@
     "builders": [
         {
             "type": "openstack",
+            "region": "Kna1",
+            "domain_name": "CCP_Domain_34466",
             "identity_endpoint": "https://kna1.citycloud.com:5000",
             "image_name": "nordix-nsm-build-ubuntu1804",
             "ssh_username": "ubuntu",