Documentation and help string more clear describe meaning of
arguments for DDP add del function.
Fixes: 856ceb331b0a ("app/testpmd: enable DDP remove profile feature")
Cc: stable@dpdk.org
Signed-off-by: Kirill Rybalchenko <kirill.rybalchenko@intel.com>
Acked-by: John McNamara <john.mcnamara@intel.com>