[SERIAL] sunsab: Fix significant typo in sab_probe()

Instead of initializing both ports of a SAB device
properly, we were setting up the first port
structure twice and ending up only with the second
port, oops.

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/serial/sunsab.c b/drivers/serial/sunsab.c
index 0dbd4df..979497f 100644
--- a/drivers/serial/sunsab.c
+++ b/drivers/serial/sunsab.c
@@ -1052,7 +1052,7 @@
 	if (err)
 		return err;
 
-	err = sunsab_init_one(&up[0], op, 0,
+	err = sunsab_init_one(&up[1], op, 0,
 			      (inst * 2) + 1);
 	if (err) {
 		of_iounmap(up[0].port.membase,