shamu: update prebuilt kernel [ DO NOT MERGE ] am: 4ed66b827c  -s ours
am: 2beccddd52

Change-Id: I4ccdaba5e8dd349dc287dd92e6dd3a955e92e230
tree: c4870a495b3fa4000aedafbe3347fd21fb14ddac
  1. zImage-dtb