Align odp_packet_t arrays in ofp_pkt_send_burst.c.
Align odp_packet_t arrays in ofp_pkt_send_burst.c.

Instead of allocating an odp_packet_t array separately for each port,
allocate one array for all ports and align it to cache line.

Signed-off-by: Jere Leppänen <14957520de8d9815e0c353a07fe23c737f0171e9@nokia.com>
Reviewed-by: Sorin Vultureanu <8013ba55f8675034bc2ab0d6c3a1c9650437ca36@enea.com>

OpenFastPath/ofp,OpenFastPath/ofp,OpenFastPath/ofp,OpenFastPath/ofp