V8: Add branch bots for s390

scripts/slave/recipes/v8.expected/full_client_v8_branches_V8_s390x___sim___stable_branch.json

Index: scripts/slave/recipes/v8.expected/full_client_v8_branches_V8_s390x___sim___stable_branch.json
diff --git a/scripts/slave/recipes/v8.expected/full_client_v8_branches_V8_ppc64___sim___stable_branch.json b/scripts/slave/recipes/v8.expected/full_client_v8_branches_V8_s390x___sim___stable_branch.json
similarity index 98%
copy from scripts/slave/recipes/v8.expected/full_client_v8_branches_V8_ppc64___sim___stable_branch.json
copy to scripts/slave/recipes/v8.expected/full_client_v8_branches_V8_s390x___sim___stable_branch.json
index 02287c2b54bae35f8291b33396f837bc43254d1f..0f7b8aa7be3fdd56430cdf639bdbcdad0c02e25c 100644
--- a/scripts/slave/recipes/v8.expected/full_client_v8_branches_V8_ppc64___sim___stable_branch.json
+++ b/scripts/slave/recipes/v8.expected/full_client_v8_branches_V8_s390x___sim___stable_branch.json
@@ -7,7 +7,7 @@
       "--master",
       "client.v8.branches",
       "--builder",
-      "V8 ppc64 - sim - stable branch",
+      "V8 s390x - sim - stable branch",
       "--slave",
       "TestSlavename",
       "--spec",
@@ -67,7 +67,7 @@
     ],
     "cwd": "[SLAVE_BUILD]",
     "env": {
-      "GYP_DEFINES": "clang=1 gomadir='[BUILD]/goma' target_arch=x64 use_goma=1 v8_target_arch=ppc64",
+      "GYP_DEFINES": "clang=1 gomadir='[BUILD]/goma' target_arch=x64 use_goma=1 v8_target_arch=s390x",
       "GYP_GENERATORS": "ninja",
       "PATH": "%(PATH)s:RECIPE_PACKAGE_REPO[depot_tools]"
     },
@@ -149,7 +149,7 @@
       "--mode",
       "Release",
       "--arch",
-      "ppc64",
+      "s390x",
       "--outdir",
       "out",
       "--buildbot",