am c792b8d1: (-s ours) hammerhead: update prebuilt kernel

* commit 'c792b8d1a18ba8c97779958cdbf6c997eea1f180':
  hammerhead: update prebuilt kernel
tree: a10d09219f52cb6f4a49b6d5a83d600e399e7d27
  1. zImage-dtb