Fix the PCIe detach segfault by releasing eth_dev resources
by adding nicvf cleanup support on PCI detach.
Fixes: fdf91e0f2fac ("drivers/net: do not use ethdev driver")
Cc: stable@dpdk.org
Signed-off-by: Amit Gupta <agupta3@marvell.com>
Acked-by: Jerin Jacob <jerinj@marvell.com>