test/MC/X86/lit.local.cfg: Fix up to detect 'X86' in targets.

llvm-svn: 152406

llvm/test/MC/X86/lit.local.cfg

@@ -1 +1,12 @@
 config.suffixes = ['.ll', '.c', '.cpp', '.s']
+
+def getRoot(config):
+    if not config.parent:
+        return config
+    return getRoot(config.parent)
+
+root = getRoot(config)
+
+targets = set(root.targets_to_build.split())
+if not 'X86' in targets:
+    config.unsupported = True