ARMV7: S5P: serial: support the s5pc210

This patch is for s5pc210 support.
Due to the resigter of baudrate is changed from slot to value,
add both of them to uart structure.

Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
diff --git a/drivers/serial/serial_s5p.c b/drivers/serial/serial_s5p.c
index 7709664..36333c3 100644
--- a/drivers/serial/serial_s5p.c
+++ b/drivers/serial/serial_s5p.c
@@ -70,7 +70,11 @@
 	val = uclk / baudrate;
 
 	writel(val / 16 - 1, &uart->ubrdiv);
-	writew(udivslot[val % 16], &uart->udivslot);
+
+	if (use_divslot)
+		writew(udivslot[val % 16], &uart->rest.slot);
+	else
+		writeb(val % 16, &uart->rest.value);
 }
 
 /*