hammerhead: update prebuilt kernel

cf3aee5 msm: acpuclock-krait: Work-around retention corner-case

Bug: 10735002
Change-Id: I834267605113959d724ee485cb03e254d1f987ca
2 files changed
tree: 6fd68b2a064f59768d8aa9696c69f2e21d0faa00
  1. vmlinux
  2. zImage-dtb