[cuda][hip] Temporarily XFAIL on arm

Author: darkbuck

clang/test/Driver/cuda-simple.cu

@@ -1,6 +1,7 @@
 // Verify that we can parse a simple CUDA file with or without -save-temps
 // http://llvm.org/PR22936
 // RUN: %clang -nocudainc -nocudalib -Werror -fsyntax-only -c %s
+// XFAIL: arm
 //
 // Verify that we pass -x cuda-cpp-output to compiler after
 // preprocessing a CUDA file