am e42c6b29: (-s ours) am 48cc2534: (-s ours) hammerhead: Update prebuilt kernel

* commit 'e42c6b2966f0feb95145d79778854e56881a612c':
tree: b74aa191ac219c45a56f93a9e56a4d76bd396e4f
  1. zImage-dtb