add sudo xdcp

git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@15225 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd

xCAT-client/bin/xdsh

@@ -561,6 +561,7 @@ sub parse_args_xdcp
                     'T|trace'          => \$options{'trace'},
                     'V|version'        => \$options{'version'},
                     'nodestatus|nodestatus' => \$options{'nodestatus'},
+                    'sudo|sudo' => \$options{'sudo'},
                     'X:s'              => \$options{'ignore_env'}
         )
       )