ryu: update kernel prebuilt[ DO NOT MERGE ] am: a4f6b68f99  -s ours am: 993e6eaf9f am: 01a873b040
am: c65786bd71

Change-Id: I823de6db71af79a83c5901c21a5faf87db143596
tree: 2bfc6ab85ebaa93b23d923cb4e1dcc1e0e3f4ad4
  1. Image.fit
  2. Image.fit.kasan
  3. push-kernel.sh