[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/cobalt/setup.c b/arch/mips/cobalt/setup.c
index d358a11..38c0c67d 100644
--- a/arch/mips/cobalt/setup.c
+++ b/arch/mips/cobalt/setup.c
@@ -139,7 +139,7 @@
 		uart.type	= PORT_UNKNOWN;
 		uart.uartclk	= 18432000;
 		uart.irq	= COBALT_SERIAL_IRQ;
-		uart.flags	= STD_COM_FLAGS;
+		uart.flags	= UPF_BOOT_AUTOCONF | UPF_SKIP_TEST;
 		uart.iobase	= 0xc800000;
 		uart.iotype	= UPIO_PORT;