add some code to make the config_chef_server work during post boot period

git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/branches/2.8@15927 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd

xCAT/postscripts/config_chef_server

@@ -1,4 +1,4 @@
-#!/bin/sh 
+#!/bin/sh -vx 
 # IBM(c) 2013 EPL license http://www.eclipse.org/legal/epl-v10.html
 
 
@@ -14,7 +14,8 @@
 #            chef <noderange> -p postscripts=config_chef_server
 #=cut
 #-------------------------------------------------------------------------------
-
+HOME='/root/'
+export HOME
 /usr/bin/chef-server-ctl reconfigure
 if [ $? -ne 0 ]
 then