MIPS: Add -mips16 / -mno-mips16 command line support.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159747 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index f094784..5d29417 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -3708,7 +3708,8 @@
     if (Name == "soft-float" || Name == "single-float" ||
         Name == "o32" || Name == "n32" || Name == "n64" || Name == "eabi" ||
         Name == "mips32" || Name == "mips32r2" ||
-        Name == "mips64" || Name == "mips64r2") {
+        Name == "mips64" || Name == "mips64r2" ||
+        Name == "mips16") {
       Features[Name] = Enabled;
       return true;
     }