ryu: update prebuilt kernel [ DO NOT MERGE ] am: 29969b93a8
am: 91a36a619d  -s ours

Change-Id: I0facd8fbd551b00e47f937c41d390b5ce0894c06
tree: 4dba5128b881c6c71f7830a12c7c1bff630d9eea
  1. Image.fit
  2. Image.fit.kasan
  3. push-kernel.sh