am fda57ff5: (-s ours) am 12b57e11: (-s ours) hammerhead: update prebuilt kernel

* commit 'fda57ff5d2c2ee19fb5312ba67364ae76b3f1a7f':
tree: b74aa191ac219c45a56f93a9e56a4d76bd396e4f
  1. zImage-dtb