event/octeontx: fix flush callback
event/octeontx: fix flush callback

When event queues are being flushed the getwork operation used to extract
events should be a grouped getwork operation to the specific event queue.

Fixes: 8384f0e039ea ("event/octeontx: support device stop flush callback")
Cc: stable@dpdk.org

Signed-off-by: Pavan Nikhilesh <8184a94f8f7778086ea0697cdb513b2e42813b09@caviumnetworks.com>
Acked-by: Jerin Jacob <5bca7d2a432bc0f5422b70b2701a4e4fa32edd00@caviumnetworks.com>

john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk