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

src/trusted/platform_qualify/platform_qualify.gyp

Index: src/trusted/platform_qualify/platform_qualify.gyp
diff --git a/src/trusted/platform_qualify/platform_qualify.gyp b/src/trusted/platform_qualify/platform_qualify.gyp
index 361ece6e33694119711d5f02f9a48d1f5315b987..1d876aa60c989bd90c65701223c8987575486e35 100644
--- a/src/trusted/platform_qualify/platform_qualify.gyp
+++ b/src/trusted/platform_qualify/platform_qualify.gyp
@@ -68,6 +68,12 @@
               'arch/arm/nacl_qualify_unaligned.c',
             ],
           }],
+          # mips specifics
+          ['target_arch=="mipsel"', {
+            'sources': [
+              'arch/mips/nacl_qualify_fpu.c',
+            ],
+          }],
         ],
       }],
     ],