am a9ea5374: (-s ours) hammerhead: Update prebuilt kernel

* commit 'a9ea53742a0523436805c7c5cb2fafcd92ca60e3':
  hammerhead: Update prebuilt kernel
tree: a10d09219f52cb6f4a49b6d5a83d600e399e7d27
  1. zImage-dtb