mako: update prebuilt kernel [DO NOT MERGE] automerge: 42bca28  -s ours automerge: ed09220  -s ours automerge: 61255f2  -s ours
automerge: ad9dc90  -s ours

* commit 'ad9dc90d725f4c686b67036afbf32bf0de0dfb5e':
  mako: update prebuilt kernel [DO NOT MERGE]
tree: 5865074d88c79b118aeadb8d56937ba1451b573f
  1. kernel