Bug fix and status file updates for MIPS HW.

tools/testing/dart/test_options.dart

Index: tools/testing/dart/test_options.dart
===================================================================
--- tools/testing/dart/test_options.dart	(revision 26023)
+++ tools/testing/dart/test_options.dart	(working copy)
@@ -100,7 +100,7 @@
               'arch',
               'The architecture to run tests for',
               ['-a', '--arch'],
-              ['all', 'ia32', 'x64', 'simarm', 'simmips', 'arm'],
+              ['all', 'ia32', 'x64', 'simarm', 'simmips', 'arm', 'mips'],
               'ia32'),
           new _TestOptionSpecification(
               'system',
@@ -669,6 +669,10 @@
             timeout *= 4;
           } else if (configuration['arch'] == 'arm') {
             timeout *= 4;
+          } else if (configuration['arch'] == 'simmips') {
+            timeout *= 4;
+          } else if (configuration['arch'] == 'mips') {
+            timeout *= 4;
           }
           if (configuration['mode'] == 'debug') {
             timeout *= 2;