net/bnxt: fix multicast address set

net/bnxt: fix multicast address set

Fix bnxt_dev_set_mc_addr_list_op.
Fix to cache the multicast mac addresses added to the port
to the driver private structure memory. Use this cached mc list
to program the FW.

This fixes an issue where multicast packets reception is
successful only if the multicast mac address of the packets
is the first one in the multicast address list of the port.

This is in preparation for another fix in the series.

Fixes: d69851df12b2 ("net/bnxt: support multicast filter and set MAC addr")
Cc: stable@dpdk.org
Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Reviewed-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
Reviewed-by: Somnath Kotur <somnath.kotur@broadcom.com>