Ignore old JIT tests in AARch64 - CMake style

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@202126 91177308-0d34-0410-b5e6-96231b3b80d8

test/ExecutionEngine/lit.local.cfg

@@ -1,6 +1,10 @@
 if config.root.host_arch in ['PowerPC', 'AArch64', 'SystemZ']:
     config.unsupported = True
 
+# CMake and autoconf diverge in naming or host_arch
+if 'aarch64' in config.root.target_triple:
+    config.unsupported = True
+
 if 'hexagon' in config.root.target_triple:
     config.unsupported = True