When multicast promiscuous was being enabled it caused the unicast
promiscuous to be disabled. This fix resolves this by setting
NIX_RX_MODE_PROMISC when eth_dev->data->promiscuous is set, regardless.
Fixes: 325d79c00a5a ("net/cnxk: support all multicast")
Cc: stable@dpdk.org
Signed-off-by: Asaf Ravid <aravid@marvell.com>
Acked-by: Jerin Jacob <jerinj@marvell.com>
b922883be9