ixgbe: use netif_<level> instead of netdev_<level>

This patch restores the ability to set msglvl through ethtool.
The issue was introduced by:
commit 849c45423c0c108e08d67644728cc9b0ed225fa1

CC: Joe Perches <joe@perches.com>

Reported-by: Joe Perches <joe@perches.com>
Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ixgbe/ixgbe_82599.c b/drivers/net/ixgbe/ixgbe_82599.c
index 0ee175a..3e06a61 100644
--- a/drivers/net/ixgbe/ixgbe_82599.c
+++ b/drivers/net/ixgbe/ixgbe_82599.c
@@ -715,7 +715,7 @@
 
 out:
 	if (link_up && (link_speed == IXGBE_LINK_SPEED_1GB_FULL))
-		e_info("Smartspeed has downgraded the link speed from "
+		e_info(hw, "Smartspeed has downgraded the link speed from "
 		       "the maximum advertised\n");
 	return status;
 }