bullhead: update prebuilt kernel [ DO NOT MERGE ] am: ddb76a3c4e
am: ea0905109e  -s ours

Change-Id: I2c949fe68d4c4bc8dde281d89765a1f2ba82128a
tree: 863f3e74894f58516d052d7d2ffbc3cdb01f20c4
  1. Image.gz-dtb