ucc_geth: Fix sneaky merge conflict regarding bus_id

The patch that changed mdio_bus to a string didn't conflict strongly enough
with the patch that added fixed PHY support to UCC.  Gather it back into
the fold.

Fixes this error:
...
 CC      drivers/net/ucc_geth.o
 'ucc_geth_probe':
 /home/bunk/linux/kernel-2.6/git/linux-2.6/drivers/net/ucc_geth.c:3935: error:
 incompatible types in assignment
 make[3]: *** [drivers/net/ucc_geth.o] Error 1

Signed-off-by: Andy Fleming <afleming@freescale.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
diff --git a/drivers/net/ucc_geth.c b/drivers/net/ucc_geth.c
index 29a4d65..0aac91c 100644
--- a/drivers/net/ucc_geth.c
+++ b/drivers/net/ucc_geth.c
@@ -3926,7 +3926,7 @@
 	ug_info->uf_info.irq = irq_of_parse_and_map(np, 0);
 	fixed_link = of_get_property(np, "fixed-link", NULL);
 	if (fixed_link) {
-		ug_info->mdio_bus = 0;
+		snprintf(ug_info->mdio_bus, MII_BUS_ID_SIZE, "0");
 		ug_info->phy_address = fixed_link[0];
 		phy = NULL;
 	} else {