shamu: update prebuilt kernel [ DO NOT MERGE ] am: 8963206f1d
am: 19671419c8  -s ours

Change-Id: Ic7e3e99049651eaa34a957e723cc40b8d87ca7c9
tree: 06ec3f003423593b5732336ab30f9a6dec25c670
  1. zImage-dtb