ryu: update prebuilt kernel [ DO NOT MERGE ] am: 65e2a29322
am: 5c2936848c  -s ours

Change-Id: I629b9f7ef28fe49f56442637094b1316351c30d8
tree: 797cb385aabbfbc17748f927bbdae881c546d3a1
  1. Image.fit
  2. push-kernel.sh