Lightmapping for non-directional lights in directional-specular mode in unity 5

I am trying to bake a scene in unity 5 which has no directional light, but only point light. For retaining the normal map information in the bake, I changed the directional-mode setting in the General GI section to directional specular, but on baking the scene, the details on surfaces look flat. Can anyone suggest how to setup the lighting settings to achieve the desired effect?

This link will explain more about non directional lightmapping.