flounder: update kernel prebuilt [DO NOT MERGE]
automerge: a4ff28a  -s ours

* commit 'a4ff28a050b2603ecb69b3188bbbdb2ab667ac28':
  flounder: update kernel prebuilt [DO NOT MERGE]
tree: f623ac873afcc317832e3c7e4015d5c927183e92
  1. Image.gz-dtb