Add overrides for root user config file

Change-Id: Id79993fe1330eb13cb2eb0ab3411fa7d193fb447
diff --git "a/\173\173 cookiecutter._env_name \175\175/overrides.yml" "b/\173\173 cookiecutter._env_name \175\175/overrides.yml"
index fd85b72..8b9184a 100644
--- "a/\173\173 cookiecutter._env_name \175\175/overrides.yml"
+++ "b/\173\173 cookiecutter._env_name \175\175/overrides.yml"
@@ -25,6 +25,16 @@
       alive:
         interval: 18000
         count: 0
+    client:
+      user:
+        root:
+          config:
+            '*':
+              alive:
+                interval: 60
+                count: 0
+              stricthostkeychecking: no
+              userknownhostsfile: '/dev/null'
   linux:
     system:
       user: