mppa: queue: fix pktout_enqueue() logic
mppa: queue: fix pktout_enqueue() logic

Fix inverted logic when checking the return value of pktout_enqueue.

Signed-off-by: Stuart Haslam
Signed-off-by: Nicolas Morey-Chaisemartin <7188b998d7bb37a035517aa285fa3f5a95344e80@kalray.eu>

kalray/odp-mppa,kalray/odp-mppa,kalray/odp-mppa,kalray/odp-mppa,kalray/odp-mppa,kalray/odp-mppa,kalray/odp-mppa