Add packet drop node process function for pkt_drop
rte_node. This node simply free's every object received as
an rte_mbuf to its rte_pktmbuf pool.
Signed-off-by: Nithin Dabilpuram <ndabilpuram@marvell.com>
Signed-off-by: Pavan Nikhilesh <pbhagavatula@marvell.com>
Signed-off-by: Kiran Kumar K <kirankumark@marvell.com>