get hostname from niminfo file

git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@7441 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd

xCAT/postscripts/aixlitesetup

@@ -10,7 +10,6 @@
 #
 ###############################################################################
 
-ME=`hostname -s`
 SL="/.statelite"
 ROOTDIR="/"  
 MOUNTDIR="$SL/mnt"   # where I mount all the trees.
@@ -25,6 +24,10 @@ LITEFILE="/litefile.table"
 LITETREE="/litetree.table"
 LOG="${ROOTDIR}/${SL}/statelite.log"
 
+# get this node name from the /etc/niminfo file
+INFO=`cat /etc/niminfo | grep 'NIM_HOSTNAME'`
+ME=`echo $INFO | awk -F= '{print $2}'`
+
 # check the statelite.table file to see if we have
 #       a persistent dir to mount.
 ProcessStatelite () {