igb: Add support for i354 devices

This patch adds base support for new i354 devices.  Loopback test is
unsupported for this release.

Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
diff --git a/drivers/net/ethernet/intel/igb/e1000_82575.h b/drivers/net/ethernet/intel/igb/e1000_82575.h
index 0d318ac..74a1506 100644
--- a/drivers/net/ethernet/intel/igb/e1000_82575.h
+++ b/drivers/net/ethernet/intel/igb/e1000_82575.h
@@ -265,6 +265,7 @@
 u16 igb_rxpbs_adjust_82580(u32 data);
 s32 igb_read_emi_reg(struct e1000_hw *, u16 addr, u16 *data);
 s32 igb_set_eee_i350(struct e1000_hw *);
+s32 igb_set_eee_i354(struct e1000_hw *);
 s32 igb_init_thermal_sensor_thresh_generic(struct e1000_hw *);
 s32 igb_get_thermal_sensor_data_generic(struct e1000_hw *hw);