[SERIAL] uart_port iotype member should use UPIO_*

Convert usage of SERIAL_IO_* to UPIO_*.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/drivers/serial/sa1100.c b/drivers/serial/sa1100.c
index ff7b60b..2c00b86 100644
--- a/drivers/serial/sa1100.c
+++ b/drivers/serial/sa1100.c
@@ -628,7 +628,7 @@
 		sa1100_ports[i].port.ops       = &sa1100_pops;
 		sa1100_ports[i].port.fifosize  = 8;
 		sa1100_ports[i].port.line      = i;
-		sa1100_ports[i].port.iotype    = SERIAL_IO_MEM;
+		sa1100_ports[i].port.iotype    = UPIO_MEM;
 		init_timer(&sa1100_ports[i].timer);
 		sa1100_ports[i].timer.function = sa1100_timeout;
 		sa1100_ports[i].timer.data     = (unsigned long)&sa1100_ports[i];