bullhead: update prebuilt kernel [ DO NOT MERGE ] am: 5b144a1d37  -s ours am: 6a48c0ab0a
am: 4a125dc64d

Change-Id: I210fa286cca9aa97b6e89ff8b8de9ebf0a9a1165
tree: 10205ee0630e153490babdc7017726d4790ee94f
  1. Image.gz-dtb