Fix typo in packethost configuration

This typo was introduced with
I88ccdca80477fa06d33e5785d764a546e88a76a5; I copy-pasted it wrong.

Change-Id: Ia1b66107b332bbb8cbb82c26ed6246c9506c014e

modules/openstack_project/templates/nodepool/clouds.yaml.erb

@@ -99,6 +99,7 @@ clouds:
     floating_ip_source: None
     cacert: /home/nodepool/.config/openstack/limestone_cacert.pem
   packethost:
+    regions:
       - name: us-west-1
         values:
           networks:

modules/openstack_project/templates/puppetmaster/all-clouds.yaml.erb

@@ -176,6 +176,7 @@ clouds:
     identity_api_version: 3
     cacert: /etc/openstack/limestone_cacert.pem
   openstackci-packethost:
+    regions:
       - name: us-west-1
         values:
           networks:
@@ -188,7 +189,9 @@ clouds:
       project_name: <%= @puppetmaster_clouds['openstackci_packethost_project_name'] %>
       user_domain_name: default
       project_domain_name: default
+
   openstackzuul-packethost:
+    regions:
       - name: us-west-1
         values:
           networks:

modules/openstack_project/templates/puppetmaster/ansible-clouds.yaml.erb

@@ -99,6 +99,7 @@ clouds:
     identity_api_version: 3
     cacert: /etc/openstack/limestone_cacert.pem
   openstackci-packethost:
+    regions:
       - name: us-west-1
         values:
           networks: