Hob: reset the selection if switch to a new base image

(Bitbake rev: 947f1a3cb7ca81608fd04b7a5d7ced5f4da47d05)

Signed-off-by: Dongxiao Xu <dongxiao.xu@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/lib/bb/ui/crumbs/hoblistmodel.py

@@ -715,6 +715,7 @@ class RecipeListModel(gtk.ListStore):
     def set_selected_image(self, img):
         if not img:
             return
+        self.reset()
         path = self.find_path_for_item(img)
         self.include_item(item_path=path,
                           binb="User Selected",