TT#14808 Allow old home '/var/run/sems' for POSIX user sems

We forget to change home for posix user when we renamed
'sems' to 'ngcp-sems' somewhere in ~mr3.2

It is too late to change it now. Also there is no big deal to have
home pointed to non-existed folder as nobody login under user sems.

Change-Id: I59c722150f7156b07f8a625dae9a72fe8da27e42

ce/05_system_users.yaml.tt2

@@ -113,7 +113,10 @@ user:
     exists: true
     groups:
       - sems
-    home: "/var/run/ngcp-sems"
+    home:
+      or:
+        - "/var/run/ngcp-sems"
+        - "/var/run/sems"
 
   sipwise:
     exists: true