Group ID 0xFF indicates that packages does not change parser
graph so compatible with any other packages.
Fixes: b1ec717bfff5 ("net/i40e: fix multiple DDP packages conflict")
Cc: stable@dpdk.org
Signed-off-by: Kirill Rybalchenko <kirill.rybalchenko@intel.com>
Acked-by: Qi Zhang <qi.z.zhang@intel.com>