bullhead: update prebuilt kernel [ DO NOT MERGE ] am: 4f0c393aa8  -s ours am: 0ac68b43f4
am: 5eb2c731fc

Change-Id: Iaf0e21a53bb569880a5ccaacaa3b92ca21d47eea
tree: 79e63eb16d3434eb324c392a05039db15e50cc4f
  1. Image.gz-dtb