[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/lasat/setup.c b/arch/mips/lasat/setup.c
index dcd819d..cefcf73 100644
--- a/arch/mips/lasat/setup.c
+++ b/arch/mips/lasat/setup.c
@@ -135,7 +135,7 @@
 	memset(&s, 0, sizeof(s));
 
 	s.flags = STD_COM_FLAGS;
-	s.iotype = SERIAL_IO_MEM;
+	s.iotype = UPIO_MEM;
 
 	if (mips_machtype == MACH_LASAT_100) {
 		s.uartclk = LASAT_BASE_BAUD_100 * 16;