ucc_geth: Remove obsolete workaround of link speed change

The workaround used a long delay of 4s which caused problem
when two link-changes happens at the same time.

Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: Wu Xiaochuan <xiao-chuan.wu@freescale.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/net/ucc_geth_phy.c b/drivers/net/ucc_geth_phy.c
index 3c86592..6fda6d8 100644
--- a/drivers/net/ucc_geth_phy.c
+++ b/drivers/net/ucc_geth_phy.c
@@ -376,6 +376,8 @@
 	ugphy_vdbg("%s: IN", __FUNCTION__);
 
 	ucc_geth_phy_write(mii_info, 0x14, 0x0cd2);
+	ucc_geth_phy_write(mii_info, 0x1b,
+		(ucc_geth_phy_read(mii_info, 0x1b) & ~0x000f) | 0x000b);
 	ucc_geth_phy_write(mii_info, MII_BMCR,
 		  ucc_geth_phy_read(mii_info, MII_BMCR) | BMCR_RESET);
 	msleep(4000);