net: phy: Make phy_10gbit_fec_features_array static

This array is not used outside of phy_device.c, so make it static.
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/phy/phy_device.c

@@ -106,10 +106,9 @@ const int phy_10gbit_features_array[1] = {
 };
 EXPORT_SYMBOL_GPL(phy_10gbit_features_array);
 
-const int phy_10gbit_fec_features_array[1] = {
+static const int phy_10gbit_fec_features_array[1] = {
 	ETHTOOL_LINK_MODE_10000baseR_FEC_BIT,
 };
-EXPORT_SYMBOL_GPL(phy_10gbit_fec_features_array);
 
 __ETHTOOL_DECLARE_LINK_MODE_MASK(phy_10gbit_full_features) __ro_after_init;
 EXPORT_SYMBOL_GPL(phy_10gbit_full_features);