add host name in hosts to resolve sudo timeout

Change-Id: I828f6dd94212e728bd4e8de29734c0adb66c8984
(cherry picked from commit 943170aa03d1d66eee184e2a4f408df57c3b38e6)
diff --git a/xos/synchronizer/steps/roles/sprint_mme_setup/tasks/main.yml b/xos/synchronizer/steps/roles/sprint_mme_setup/tasks/main.yml
index c24936f..48b62a8 100644
--- a/xos/synchronizer/steps/roles/sprint_mme_setup/tasks/main.yml
+++ b/xos/synchronizer/steps/roles/sprint_mme_setup/tasks/main.yml
@@ -1,4 +1,22 @@
+# Copyright 2017-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 ---
+- name: resolve sudo timeout
+  become: yes
+  shell: "echo 127.0.1.1       $(cat /etc/hostname) >> /etc/hosts"
+
 - name: Copy templates
   template:
     src: "templates/{{ item }}.j2"