serial: 8250_dw: Don't use UPF_FIXED_TYPE

Allow 8250.c to determine the port type for us. This allows
the driver take advantage of FIFO on Designware UARTs that
have it.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Jamie Iles <jamie@jamieiles.com>
Acked-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/tty/serial/8250/8250_dw.c

@@ -112,7 +112,7 @@ static int dw8250_probe(struct platform_device *pdev)
 	uart.port.handle_irq = dw8250_handle_irq;
 	uart.port.type = PORT_8250;
 	uart.port.flags = UPF_SHARE_IRQ | UPF_BOOT_AUTOCONF | UPF_IOREMAP |
-		UPF_FIXED_PORT | UPF_FIXED_TYPE;
+		UPF_FIXED_PORT;
 	uart.port.dev = &pdev->dev;
 
 	uart.port.iotype = UPIO_MEM;