For VLAN packet the tci is saved in rx_mb->vlan_tci, however the
STRIPPED offload flag is not set along with PKT_RX_VLAN flag.
Set the PKT_RX_VLAN_STRIPPED flag as well.
Fixes: 380a7aab1ae2 ("mbuf: rename deprecated VLAN flags")
Fixes: b37b528d957c ("mbuf: add new Rx flags for stripped VLAN")
Cc: stable@dpdk.org
Signed-off-by: Rasesh Mody <rmody@marvell.com>