No need to add additional vlan tag size for max packet size, since
for i40e, the queue's Rx Max Frame Size (rxq->max_pkt_len) already
includes the vlan header size.
Fixes: a3c83a2527 ("net/i40e: enable runtime queue setup")
Fixes: 4861cde461 ("i40e: new poll mode driver")
Fixes: c1715402df ("i40evf: fix jumbo frame support")
Cc: stable@dpdk.org
Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
756cea41e9