Merge \"ryu: update prebuilt kernel\" into nyc-dev
am: a91aa4a277

Change-Id: Ie0680b3ecb2c1b044a6513fdbae1b3b5b50b4ab9
tree: ab9e81ef8e02c9c537204f633b1915eed10f0263
  1. Image.fit
  2. push-kernel.sh