Fixed typo.

llvm-svn: 230253
diff --git a/clang/lib/Basic/TargetInfo.cpp b/clang/lib/Basic/TargetInfo.cpp
index 90f2339..871bbd5 100644
--- a/clang/lib/Basic/TargetInfo.cpp
+++ b/clang/lib/Basic/TargetInfo.cpp
@@ -655,7 +655,7 @@
     .Case("ios", iOS)
     .Case("itanium", GenericItanium)
     .Case("microsoft", Microsoft)
-    .Case("arm", GenericMIPS)
+    .Case("mips", GenericMIPS)
     .Default(unknown);
   if (kind == unknown) return false;