ansible: add ubuntu1404-ppc64_le-4 to inventory (#1739)

See: #1723 (comment)

PR-URL: #1739
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>

Author: sam-github

ansible/inventory.yml

@@ -146,6 +146,7 @@ hosts:
         ubuntu1404-ppc64_le-1: {ip: 140.211.168.106}
         ubuntu1404-ppc64_le-2: {ip: 140.211.168.94}
         ubuntu1404-ppc64_le-3: {ip: 140.211.168.221, user: root}
+        ubuntu1404-ppc64_le-4: {ip: 140.211.168.140}
 
     - rackspace:
         centos7-x64-1: {ip: 119.9.27.82}