bullhead: update prebuilt kernel [ DO NOT MERGE ] am: 59ac066873
am: db23bf8656  -s ours

Change-Id: Ic275a2e452f5a86aa4419989d2f618e1b95869f3
tree: 8872545151549a812c1706683ed2fc77e8f78715
  1. Image.gz-dtb