bnxt_en: Fix .ndo_setup_tc() to include XDP rings.

When the number of TX rings is changed in bnxt_setup_tc(), we need to
include the XDP rings in the total TX ring count.

Fixes: 38413406277f ("bnxt_en: Add support for XDP_TX action.")
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/broadcom/bnxt/bnxt.c

@@ -7152,6 +7152,7 @@ int bnxt_setup_mq_tc(struct net_device *dev, u8 tc)
 		bp->tx_nr_rings = bp->tx_nr_rings_per_tc;
 		netdev_reset_tc(dev);
 	}
+	bp->tx_nr_rings += bp->tx_nr_rings_xdp;
 	bp->cp_nr_rings = sh ? max_t(int, bp->tx_nr_rings, bp->rx_nr_rings) :
 			       bp->tx_nr_rings + bp->rx_nr_rings;
 	bp->num_stat_ctxs = bp->cp_nr_rings;