[tools] Migrate 3 more builders to LUCI

TBR=machenbach@chromium.org

No-Try: true
Bug: chromium:748036, chromium:748038, chromium:748124
Change-Id: I0102446623110a67655c4d119968c64afd879280
Reviewed-on: https://chromium-review.googlesource.com/805235
Commit-Queue: Sergiy Byelozyorov <sergiyb@chromium.org>
Reviewed-by: Sergiy Byelozyorov <sergiyb@chromium.org>
Cr-Commit-Position: refs/heads/master@{#49815}

infra/config/cq.cfg

@@ -27,6 +27,8 @@ verifiers {
       builders { name: "v8_fuchsia_rel_ng" }
       builders { name: "v8_linux64_gcc_compile_dbg" }
       builders { name: "v8_linux_gcc_compile_rel" }
+      builders { name: "v8_linux_mips64el_compile_rel" }
+      builders { name: "v8_linux_mipsel_compile_rel" }
       builders { name: "v8_linux_shared_compile_rel" }
       builders { name: "v8_presubmit" }
       builders {
@@ -73,8 +75,6 @@ verifiers {
         name: "v8_linux_dbg_ng_triggered"
         triggered_by: "v8_linux_dbg_ng"
       }
-      builders { name: "v8_linux_mipsel_compile_rel" }
-      builders { name: "v8_linux_mips64el_compile_rel" }
       builders { name: "v8_linux_nodcheck_rel_ng" }
       builders {
         name: "v8_linux_nodcheck_rel_ng_triggered"