MIPS: Rename "mips" arch to "mipsel" in the GYP build.

tools/gyp/v8.gyp

 # Copyright 2012 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 #       copyright notice, this list of conditions and the following
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@@ skipping 540 matching lines @@
                 '../../src/ia32/lithium-gap-resolver-ia32.h',
                 '../../src/ia32/lithium-ia32.cc',
                 '../../src/ia32/lithium-ia32.h',
                 '../../src/ia32/macro-assembler-ia32.cc',
                 '../../src/ia32/macro-assembler-ia32.h',
                 '../../src/ia32/regexp-macro-assembler-ia32.cc',
                 '../../src/ia32/regexp-macro-assembler-ia32.h',
                 '../../src/ia32/stub-cache-ia32.cc',
               ],
             }],
-            ['v8_target_arch=="mips"', {
+            ['v8_target_arch=="mipsel"', {
               'sources': [
                 '../../src/mips/assembler-mips.cc',
                 '../../src/mips/assembler-mips.h',
                 '../../src/mips/assembler-mips-inl.h',
                 '../../src/mips/builtins-mips.cc',
                 '../../src/mips/codegen-mips.cc',
                 '../../src/mips/codegen-mips.h',
                 '../../src/mips/code-stubs-mips.cc',
                 '../../src/mips/code-stubs-mips.h',
                 '../../src/mips/constants-mips.cc',
@@ skipping 419 matching lines @@
             }],
           ],
           'dependencies': [
             'v8'
           ],
         },
       ],
     }],
   ],
 }