configure: Change required ODP version from 1.17.0.0 to 1.18.0.0.
configure: Change required ODP version from 1.17.0.0 to 1.18.0.0.

The initializations needed by OFP commit 8b8a576 ("Remove unnecessary
odp_packet_user_ptr_set() after packet allocation") are included in
ODP v1.18.0.0.

Signed-off-by: Jere Leppänen <14957520de8d9815e0c353a07fe23c737f0171e9@nokia.com>
Reviewed-by: Valentin Radulescu <5c0267d222138450b4835b40b746ecdf0117cfc8@enea.com>

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