Fix typo in readYaml2

PRODX-5427

Change-Id: I4042c3f0e20ec1411df5294d45bd05f3a64caf70
diff --git a/src/com/mirantis/mk/Common.groovy b/src/com/mirantis/mk/Common.groovy
index bf74448..65a847e 100644
--- a/src/com/mirantis/mk/Common.groovy
+++ b/src/com/mirantis/mk/Common.groovy
@@ -1138,7 +1138,8 @@
         if (data instanceof String) {
             return readYaml(text: data)
         }
+        return data
     } else if (kwargs.get('text')) {
         return readYaml(text: kwargs['text'])
     }
-}
\ No newline at end of file
+}