fix compiler warning in fixed.c

Correct the following compiler warning (and warnings resulting from
the correction):
warning: 'fixed_mdio_register_device' defined but not used

Signed-off-by: Denver Gingerich <[e-mail]>
Cc: Vitaly Bordug <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Jeff Garzik <[e-mail]>

drivers/net/phy/fixed.c

···
 /*-----------------------------------------------------------------------------
  *  This is used for updating internal mii regs from the status
  *-----------------------------------------------------------------------------*/
+#if defined(CONFIG_FIXED_MII_100_FDX) || defined(CONFIG_FIXED_MII_10_FDX)
 static int fixed_mdio_update_regs(struct fixed_info *fixed)
 {
 	u16 *regs = fixed->regs;
···
 	/*nothing here - no way/need to reset it*/
 	return 0;
 }
+#endif
 
 static int fixed_config_aneg(struct phy_device *phydev)
 {
···
  * number is used to create multiple fixed PHYs, so that several devices can
  * utilize them simultaneously.
  *-----------------------------------------------------------------------------*/
+#if defined(CONFIG_FIXED_MII_100_FDX) || defined(CONFIG_FIXED_MII_10_FDX)
 static int fixed_mdio_register_device(int number, int speed, int duplex)
 {
 	struct mii_bus *new_bus;
···
 
 	return err;
 }
+#endif
 
 
 MODULE_DESCRIPTION("Fixed PHY device & driver for PAL");