shamu: update prebuilt kernel [ DO NOT MERGE ] am: cbb64472ed  -s ours
am: 0057999cb0

Change-Id: I41248ea7b96bdc5ea25a68aedfbc20b156c1a1de
tree: 098d982c73e3b63c290656b09e4907afaf9fd79c
  1. zImage-dtb