net/mlx5e: IPoIB, Fix spelling mistake "functionts" -> "functions"

Fix trivial spelling mistake: "functionts" -> "functions".
Signed-off-by: Gal Pressman <galp@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>

drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.h

@@ -76,7 +76,7 @@ int mlx5i_pkey_del_qpn(struct net_device *netdev, u32 qpn);
 /* Get the net-device corresponding to the given underlay QPN */
 struct net_device *mlx5i_pkey_get_netdev(struct net_device *netdev, u32 qpn);
 
-/* Shared ndo functionts */
+/* Shared ndo functions */
 int mlx5i_dev_init(struct net_device *dev);
 void mlx5i_dev_cleanup(struct net_device *dev);
 int mlx5i_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd);