Revert "hammerhead: update prebuilt kernel [DO NOT MERGE]"
am: 2ad63c3f92  -s ours

* commit '2ad63c3f92292cc9c8acacf2509e37def1b2aadd':
  Revert "hammerhead: update prebuilt kernel [DO NOT MERGE]"
tree: f0cd38b301d484d703b61094540fb09640bc2c43
  1. zImage-dtb