am 1bc5b4bf: (-s ours) am 81d79057: (-s ours) hammerhead: update prebuilt kernel

* commit '1bc5b4bf9968a45b831b046b612f1c28ca1d7982':
tree: b74aa191ac219c45a56f93a9e56a4d76bd396e4f
  1. zImage-dtb