bullhead: update kernel prebuilt[ DO NOT MERGE ] am: ae7bd79a1d am: 4996d1efce  -s ours
am: 153efc27f3

Change-Id: I727d239b5590ed76858bbb6f12cf341c2bae3536
tree: f8ff6a026325ba8d5078912b012b6460f91a8292
  1. Image.gz-dtb