support multiple synclist files in the osimage.synclists attr

git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@13856 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd

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

@@ -986,7 +986,12 @@ sub updatenode
 
             if ($synclist)
             {
-                push @{$syncfile_node{$synclist}}, $node;
+               # this can be a comma separated list of multiple
+               # syncfiles
+               my @sl = split(',',$synclist);
+               foreach my $s (@sl){
+                   push @{$syncfile_node{$s}}, $node;
+               }
             }
         }