Add Vitesse 8601 support to TSEC driver

Add phy_info for Vitesse VSC8601.
Add config option, CFG_VSC8601_SKEWFIX, to enable RGMII skew timing compensation.

Signed-off-by: Tor Krill <tor@excito.com>
Reviewed-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Ben Warren <biggerbadderben@gmail.com>
diff --git a/drivers/net/tsec.h b/drivers/net/tsec.h
index d4dc15a..cfa7d1a 100644
--- a/drivers/net/tsec.h
+++ b/drivers/net/tsec.h
@@ -159,6 +159,11 @@
 #define MIIM_VSC8244_LED_CON            0x1b
 #define MIIM_VSC8244_LEDCON_INIT        0xF011
 
+/* Entry for Vitesse VSC8601 regs starts here (Not complete) */
+/* Vitesse VSC8601 Extended PHY Control Register 1 */
+#define MIIM_VSC8601_EPHY_CON			0x17
+#define MIIM_VSC8601_EPHY_CON_INIT_SKEW	0x1120
+
 /* 88E1011 PHY Status Register */
 #define MIIM_88E1011_PHY_STATUS         0x11
 #define MIIM_88E1011_PHYSTAT_SPEED      0xc000