flounder: update kernel prebuilt (Sep MR2) (DO NOT MERGE) am: 61a74bfa4f  -s ours am: e327abc3c6
am: 0f5ff2e504  -s ours

Change-Id: If50af0bdcf7d95fb576ae5957e8bef475d290d1d
tree: 2cfd8f867f4850f1e561c325d5b0964e352e4a35
  1. Image.gz-dtb