Fix the v8 snapshots in the GN mipsel, mips64el builds.

build/config/v8_target_cpu.gni

 # Copyright 2016 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.
 
 import("//build/config/sanitizers/sanitizers.gni")
 
 declare_args() {
   # This arg is used when we want to tell the JIT-generating v8 code
   # that we want to have it generate for an architecture that is different
   # than the architecture that v8 will actually run on; we then run the
@@ skipping 16 matching lines @@
   #
   # v8_target_cpu can only be used to target one architecture in a build,
   # so if you wish to build multiple copies of v8 that are targetting
   # different architectures, you will need to do something more
   # complicated involving multiple toolchains along the lines of
   # custom_toolchain, above.
   v8_target_cpu = ""
 }
 
 if (v8_target_cpu == "") {
-  if (current_toolchain == "//build/toolchain/linux:clang_x64_v8_arm64" ||
-      current_toolchain == "//build/toolchain/linux:x64_v8_arm64") {
+  if (current_toolchain == "//build/toolchain/linux:clang_x64_v8_arm64") {
     v8_target_cpu = "arm64"
-  } else if (current_toolchain == "//build/toolchain/linux:clang_x86_v8_arm" ||
-             current_toolchain == "//build/toolchain/linux:x86_v8_arm") {
+  } else if (current_toolchain == "//build/toolchain/linux:clang_x86_v8_arm") {
     v8_target_cpu = "arm"
+  } else if (current_toolchain ==
+             "//build/toolchain/linux:clang_x86_v8_mips64el") {
+    v8_target_cpu = "mips64el"
+  } else if (current_toolchain ==
+             "//build/toolchain/linux:clang_x86_v8_mipsel") {
+    v8_target_cpu = "mipsel"
   } else if (is_msan) {
     # If we're running under a sanitizer, if we configure v8 to generate
     # code that will be run under a simulator, then the generated code
     # also gets the benefits of the sanitizer.
     v8_target_cpu = "arm64"
   } else {
     v8_target_cpu = target_cpu
   }
 }
 
 declare_args() {
   # This argument is declared here so that it can be overridden in toolchains.
   # It should never be explicitly set by the user.
   v8_current_cpu = v8_target_cpu
 }