ucc_geth: Don't use RX clock as TX clock.

Commit 9fb1e350e16164d56990dde036ae9c0a2fd3f634,
ucc_geth: use rx-clock-name and tx-clock-name device tree properties
Introduced a typo that made the driver use the RX clock
as TX clock, causing massive TX errors.

Signed-off-by: Joakim Tjernlund <[e-mail]>
Signed-off-by: Jeff Garzik <[e-mail]>

drivers/net/ucc_geth.c

···
 			return -EINVAL;
 		}
 	} else {
-		prop = of_get_property(np, "rx-clock", NULL);
+		prop = of_get_property(np, "tx-clock", NULL);
 		if (!prop) {
 			printk(KERN_ERR
 				"ucc_geth: mising tx-clock-name property\n");