[MIPS] Add remaining parts for building tests for MIPS

tests/data_not_executable/nacl.scons

 # -*- python -*-
 # Copyright (c) 2012 The Native Client Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 Import('env')
 
 # Do not run these tests with pexes, assuming they are portable, since
 # they use inline assembler.
 if env.Bit('bitcode') and env.Bit('pnacl_generate_pexe'):
   Return()
 
 prog_env = env.Clone()
 if prog_env.Bit('bitcode'):
   prog_env.AddBiasForPNaCl()
 
 nexe = prog_env.ComponentProgram('execute_data', ['execute_data.c'],
                                  EXTRA_LIBS=['${NONIRT_LIBS}'])
 
 node = prog_env.CommandSelLdrTestNacl(
     'execute_data.out', nexe, declares_exit_status=True)
 
 prog_env.AddNodeToTestSuite(node, ['small_tests', 'nonpexe_tests'],
                             'run_execute_data_test',
-                            # This test hangs on qemu-arm when the
-                            # fault is caught by NaCl's signal
-                            # handler.
-                            is_broken=(env.Bit('target_arm') and
-                                       env.UsingEmulator()))
+                            # This test hangs on qemu-user when the fault
+                            # is caught by NaCl's signal handler.
+                            is_broken=env.UsingEmulator())