shamu: update prebuilt kernel [ DO NOT MERGE ] am: 12232bcde7 am: b1677b2cf4 am: 28b951ea58  -s ours am: df115022f5
am: f6b8149569

Change-Id: Ie6be812d1154f0ed0b78e7a607b955a88c62b676
tree: 098d982c73e3b63c290656b09e4907afaf9fd79c
  1. zImage-dtb