am 5228bd4a: (-s ours) am 1e32fd83: (-s ours) hammerhead: update prebuilt kernel

* commit '5228bd4abbdeccaee1c67a579bd4c4ef66c7ad91':
tree: b74aa191ac219c45a56f93a9e56a4d76bd396e4f
  1. zImage-dtb