Merge "ryu: update kernel prebuilt" into oc-dev
am: e3e9f0b5fc

Change-Id: I8b65ed70abd2c12de17a7810ad580ad77dbc56e7
tree: 522d9f7652a303c38773a269bfa6776030bbbeb8
  1. Image.fit
  2. Image.fit.kasan
  3. push-kernel.sh