phy: export phy_mii_ioctl

Export phy_mii_ioctl, so network drivers can use it when built
as modules too.

Signed-off-by: Domen Puncer <domen@coderock.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index 0cc4369..cb230f4 100644
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -409,6 +409,7 @@
 
 	return 0;
 }
+EXPORT_SYMBOL(phy_mii_ioctl);
 
 /**
  * phy_start_aneg - start auto-negotiation for this PHY device