nfp: don't check lack of RX/TX channels

Core will now perform this check.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Michal Kubecek <mkubecek@suse.cz>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c

@@ -1438,8 +1438,7 @@ static int nfp_net_set_channels(struct net_device *netdev,
 	unsigned int total_rx, total_tx;
 
 	/* Reject unsupported */
-	if (!channel->combined_count ||
-	    channel->other_count != NFP_NET_NON_Q_VECTORS ||
+	if (channel->other_count != NFP_NET_NON_Q_VECTORS ||
 	    (channel->rx_count && channel->tx_count))
 		return -EINVAL;