MIPS: Fix mksnapshot on big-endian.

gypfiles/standalone.gypi

Index: gypfiles/standalone.gypi
diff --git a/gypfiles/standalone.gypi b/gypfiles/standalone.gypi
index 89f06a0cbdcfac65f813c4ff623505e3fb06aec6..516ffdcbe4ae937ead7759dcc538a0f4022c0a83 100644
--- a/gypfiles/standalone.gypi
+++ b/gypfiles/standalone.gypi
@@ -238,13 +238,24 @@
         (v8_target_arch=="arm64" and host_arch!="arm64") or \
         (v8_target_arch=="mipsel" and host_arch!="mipsel") or \
         (v8_target_arch=="mips64el" and host_arch!="mips64el") or \
-        (v8_target_arch=="mips" and host_arch!="mips") or \
         (v8_target_arch=="x64" and host_arch!="x64") or \
         (OS=="android" or OS=="qnx")', {
         'want_separate_host_toolset': 1,
       }, {
         'want_separate_host_toolset': 0,
       }],
+      ['(v8_target_arch=="arm" and host_arch!="arm") or \
+        (v8_target_arch=="arm64" and host_arch!="arm64") or \
+        (v8_target_arch=="mipsel" and host_arch!="mipsel") or \
+        (v8_target_arch=="mips64el" and host_arch!="mips64el") or \
+        (v8_target_arch=="mips" and host_arch!="mips") or \
+        (v8_target_arch=="mips64" and host_arch!="mips64") or \
+        (v8_target_arch=="x64" and host_arch!="x64") or \
+        (OS=="android" or OS=="qnx")', {
+        'want_separate_host_toolset_mkpeephole': 1,
+      }, {
+        'want_separate_host_toolset_mkpeephole': 0,
+      }],
       ['OS == "win"', {
         'os_posix%': 0,
       }, {