[Test] embedded: Use test lit in validation-test.

Author: nate-chandler

validation-test/embedded/lit.local.cfg

@@ -0,0 +1,9 @@
+import sys
+import platform
+
+# Load the config at test/embedded/lit.local.cfg
+lit_config.load_config(config,
+    os.path.join(
+        os.path.dirname(os.path.dirname(os.path.dirname(__file__))), 
+        'test', 'embedded', 'lit.local.cfg'))
+