Add some more convenient serial console speeds

html/console.html

@@ -20,7 +20,7 @@
 <script type="text/javascript">console_url = "/console/text"</script>
 <script src="console.js"></script>
 <script type="text/javascript">
-  var rates = [57600, 115200, 230400, 460800];
+  var rates = [9600, 57600, 115200, 250000];
 
   onLoad(function() {
     fetchText(100, true);