macb: Fix speed setting

Fix NCFGR.SPD setting on 10Mbps.  This bug was introduced by
conversion to generic PHY layer in kernel 2.6.23.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/net/macb.c b/drivers/net/macb.c
index 81bf005..1d210ed 100644
--- a/drivers/net/macb.c
+++ b/drivers/net/macb.c
@@ -148,7 +148,7 @@
 
 			if (phydev->duplex)
 				reg |= MACB_BIT(FD);
-			if (phydev->speed)
+			if (phydev->speed == SPEED_100)
 				reg |= MACB_BIT(SPD);
 
 			macb_writel(bp, NCFGR, reg);