Check if there exists free enqueue descriptors before enqueuing Tx
packet. Also try to free enqueue descriptors in case they are not
free.
Fixes: ed1cdbed6a ("net/dpaa2: support multiple Tx queues enqueue for ordered")
Cc: stable@dpdk.org
Signed-off-by: Brick Yang <brick.yang@nxp.com>
Signed-off-by: Rohit Raj <rohit.raj@nxp.com>
Acked-by: Hemant Agrawal <hemant.agrawal@nxp.com>