ryu: update prebuilt kernel [ DO NOT MERGE ]
am: e38c7db26f  -s ours

Change-Id: I18f3160330bfc69f3800d1d23d9161922da1c24e
tree: 17b651148b2153bc828e02a6e04736e9b5d5d002
  1. Image.fit
  2. push-kernel.sh