[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/arch/mips/mips-boards/atlas/atlas_setup.c b/arch/mips/mips-boards/atlas/atlas_setup.c
index 625843b..2d4f309 100644
--- a/arch/mips/mips-boards/atlas/atlas_setup.c
+++ b/arch/mips/mips-boards/atlas/atlas_setup.c
@@ -83,7 +83,7 @@
 	s.irq = ATLASINT_UART;
 	s.uartclk = ATLAS_BASE_BAUD * 16;
 	s.flags = ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ;
-	s.iotype = SERIAL_IO_PORT;
+	s.iotype = UPIO_PORT;
 	s.regshift = 3;
 
 	if (early_serial_setup(&s) != 0) {