[SystemZ] Fix target specific tests

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@300078 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Analysis/CostModel/SystemZ/lit.local.cfg b/test/Analysis/CostModel/SystemZ/lit.local.cfg
new file mode 100644
index 0000000..2f3cf7d
--- /dev/null
+++ b/test/Analysis/CostModel/SystemZ/lit.local.cfg
@@ -0,0 +1,2 @@
+if not 'SystemZ' in config.root.targets:
+    config.unsupported = True