-Fix '-o' argument that was mistakenly made instead of '-p' for persistent rsetboot

git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@6444 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd

xCAT-server/lib/xcat/plugins/ipmi.pm

@@ -902,7 +902,7 @@ sub setboot_timerdisabled {
     my $uefi=0;
     use Getopt::Long;
     unless(GetOptions(
-        'o' => \$persistent,
+        'p' => \$persistent,
         'u' => \$uefi,
         )) {
         sendmsg([1,"Error parsing arguments"],$sessdata->{node});