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

build/all.gyp

 {
   'includes': [
     'common.gypi',
   ],
   'targets': [
     {
       'target_name': 'pull_in_all',
       'type': 'none',
       'dependencies': [
         '../src/shared/gio/gio.gyp:*',
@@ skipping 19 matching lines @@
         '../src/untrusted/pthread/pthread.gyp:*',
         '../tests.gyp:*',
         '../tests/sel_main_chrome/sel_main_chrome.gyp:*',
         'nacl_core_sdk.gyp:*',
       ],
       'conditions': [
         ['target_arch=="arm"', {
           'dependencies': [
             '../src/trusted/validator_arm/validator_arm.gyp:*',
           ],
-        }, {
+        }],
+        ['target_arch=="ia32" or target_arch=="x64"', {
           'dependencies': [
             '../src/trusted/validator/driver/ncval.gyp:*',
             '../src/trusted/validator_arm/ncval.gyp:*',
             '../src/trusted/validator_x86/ncval.gyp:*',
             '../src/trusted/validator_x86/validator_x86.gyp:*',
           ],
         }],
+        ['target_arch=="mipsel"', {
+          'dependencies': [
+            '../src/trusted/validator_mips/validator_mips.gyp:*',
+          ],
+        }],
       ],
     },
   ],
 }