net: phy: Add support for Texas Instruments DP83867

Code is taken from Linux kernel driver (v4.2).

Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
diff --git a/include/phy.h b/include/phy.h
index 3f826b6..66cf61b 100644
--- a/include/phy.h
+++ b/include/phy.h
@@ -251,6 +251,7 @@
 int phy_realtek_init(void);
 int phy_smsc_init(void);
 int phy_teranetics_init(void);
+int phy_ti_init(void);
 int phy_vitesse_init(void);
 
 int board_phy_config(struct phy_device *phydev);