[MIPS] Add support to gyp files to build Native Client inside of Chromium

src/untrusted/nacl/nacl.gyp

 # Copyright (c) 2011 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 {
   'includes': [
     '../../../build/common.gypi',
   ],
   'variables': {
     'sources_for_standard_interfaces': [
@@ skipping 116 matching lines @@
   },
 
   'targets' : [
     {
       'target_name': 'nacl_lib',
       'type': 'none',
       'dependencies': [
         'nacl_lib_newlib',
       ],
       'conditions': [
-        # NOTE: We do not support glibc on arm yet.
-        ['target_arch!="arm"', {
+        # NOTE: We do not support glibc on arm and mips yet.
+        ['target_arch!="arm" and target_arch!="mipsel"', {
            'dependencies': [
              'nacl_lib_glibc'
            ]
          }],
       ],
     },
 
     {
       'target_name': 'nacl_lib_glibc',
       'type': 'none',
@@ skipping 131 matching lines @@
         'build_newlib': 1,
         'build_irt': 1,
       },
       'sources': ['<@(imc_syscalls)'],
       'dependencies': [
         '<(DEPTH)/native_client/tools.gyp:prep_toolchain',
       ],
     },
   ],
 }