net/mlx5: Lag, Use flag to check for shared FDB mode

It's redundant and incorrect to check lag is also sriov mode.
Signed-off-by: NMark Bloch <mbloch@nvidia.com>
Reviewed-by: NRoi Dayan <roid@nvidia.com>
Signed-off-by: NSaeed Mahameed <saeedm@nvidia.com>

drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c

@@ -1386,8 +1386,7 @@ bool mlx5_lag_is_shared_fdb(struct mlx5_core_dev *dev)
 
 	spin_lock_irqsave(&lag_lock, flags);
 	ldev = mlx5_lag_dev(dev);
-	res = ldev && __mlx5_lag_is_sriov(ldev) &&
-	      test_bit(MLX5_LAG_MODE_FLAG_SHARED_FDB, &ldev->mode_flags);
+	res = ldev && test_bit(MLX5_LAG_MODE_FLAG_SHARED_FDB, &ldev->mode_flags);
 	spin_unlock_irqrestore(&lag_lock, flags);
 
 	return res;