pl2303: simplify the else-if contruct for type_1 chips in pl2303_startup()

There is no need for two else-if constructs for the type_1 chip
detection in pl2303_startup(), so merge them.
Signed-off-by: NFrank Schäfer <fschaefer.oss@googlemail.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/serial/pl2303.c

@@ -193,9 +193,8 @@ static int pl2303_startup(struct usb_serial *serial)
 		type = type_0;
 	else if (serial->dev->descriptor.bMaxPacketSize0 == 0x40)
 		type = HX;
-	else if (serial->dev->descriptor.bDeviceClass == 0x00)
-		type = type_1;
-	else if (serial->dev->descriptor.bDeviceClass == 0xFF)
+	else if (serial->dev->descriptor.bDeviceClass == 0x00
+		 || serial->dev->descriptor.bDeviceClass == 0xFF)
 		type = type_1;
 	dev_dbg(&serial->interface->dev, "device type: %d\n", type);