Create llvm/test/Object/Mips/lit.local.cfg to check Mips in targets_to_build.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162819 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Object/Mips/lit.local.cfg b/test/Object/Mips/lit.local.cfg
new file mode 100644
index 0000000..1499317
--- /dev/null
+++ b/test/Object/Mips/lit.local.cfg
@@ -0,0 +1,5 @@
+config.suffixes = ['.test']
+
+targets = set(config.root.targets_to_build.split())
+if not 'Mips' in targets:
+    config.unsupported = True