ryu: update kernel prebuilt[ DO NOT MERGE ] am: 6f965e174b  -s ours am: a8da459289
am: 569726f606

Change-Id: I07b6e36cf643d2b92764ba4c5d6a43eb7f328f50
tree: f2745f8604e6cafe22e3a96270f75367b99d5566
  1. Image.fit
  2. Image.fit.kasan
  3. push-kernel.sh