[SERIAL] uart_port flags member should use UPF_*

Convert usage of ASYNC_* to UPF_*.

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 cefcf73..83eb08b 100644
--- a/arch/mips/lasat/setup.c
+++ b/arch/mips/lasat/setup.c
@@ -134,7 +134,7 @@
 
 	memset(&s, 0, sizeof(s));
 
-	s.flags = STD_COM_FLAGS;
+	s.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST;
 	s.iotype = UPIO_MEM;
 
 	if (mips_machtype == MACH_LASAT_100) {