[ARM64] Plumb in the -mfpu= flag.

llvm-svn: 206395
diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp
index 5bc7d5e..018f9ba 100644
--- a/clang/lib/Driver/Tools.cpp
+++ b/clang/lib/Driver/Tools.cpp
@@ -1567,6 +1567,8 @@
     break;
   case llvm::Triple::aarch64:
   case llvm::Triple::aarch64_be:
+  case llvm::Triple::arm64:
+  case llvm::Triple::arm64_be:
     getAArch64TargetFeatures(D, Args, Features);
     break;
   case llvm::Triple::x86: