ixgbe: fix static functions

Define functions as static added C=1 (sparse) to my make line
brought these to my attention.
Signed-off-by: John Fastabend <john.r.fastabend@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

drivers/net/ixgbe/ixgbe_82599.c

@@ -494,7 +494,7 @@ static void ixgbe_flap_tx_laser_multispeed_fiber(struct ixgbe_hw *hw)
  *
  *  Set the link speed in the AUTOC register and restarts link.
  **/
-s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw,
+static s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw,
                                           ixgbe_link_speed speed,
                                           bool autoneg,
                                           bool autoneg_wait_to_complete)

drivers/net/ixgbe/ixgbe_dcb_82598.c

@@ -289,7 +289,7 @@ s32 ixgbe_dcb_config_pfc_82598(struct ixgbe_hw *hw, u8 pfc_en)
  * Configure queue statistics registers, all queues belonging to same traffic
  * class uses a single set of queue statistics counters.
  */
-s32 ixgbe_dcb_config_tc_stats_82598(struct ixgbe_hw *hw)
+static s32 ixgbe_dcb_config_tc_stats_82598(struct ixgbe_hw *hw)
 {
 	u32 reg = 0;
 	u8  i   = 0;

drivers/net/ixgbe/ixgbe_main.c

@@ -4566,7 +4566,7 @@ static inline bool ixgbe_cache_ring_rss(struct ixgbe_adapter *adapter)
 #ifdef CONFIG_IXGBE_DCB
 
 /* ixgbe_get_first_reg_idx - Return first register index associated with ring */
-void ixgbe_get_first_reg_idx(struct ixgbe_adapter *adapter, u8 tc,
+static void ixgbe_get_first_reg_idx(struct ixgbe_adapter *adapter, u8 tc,
 				    unsigned int *tx, unsigned int *rx)
 {
 	struct net_device *dev = adapter->netdev;

drivers/net/ixgbe/ixgbe_sriov.c

@@ -110,7 +110,7 @@ static int ixgbe_set_vf_vlan(struct ixgbe_adapter *adapter, int add, int vid,
 	return adapter->hw.mac.ops.set_vfta(&adapter->hw, vid, vf, (bool)add);
 }
 
-void ixgbe_set_vf_lpe(struct ixgbe_adapter *adapter, u32 *msgbuf)
+static void ixgbe_set_vf_lpe(struct ixgbe_adapter *adapter, u32 *msgbuf)
 {
 	struct ixgbe_hw *hw = &adapter->hw;
 	int new_mtu = msgbuf[1];