hikey-kernel: Set explicit kernel version to Image and DTB
am: 2cc7008b99

Change-Id: I102771361cb2a44f625b24d94ce662f915eccf03
tree: 8cb9b9bd9aa043fb89f722871ceb6fff272bdd34
  1. hi6220-hikey.dtb-4.1
  2. hi6220-hikey.dtb-4.4
  3. Image-dtb-4.1
  4. Image-dtb-4.4