hikey-kernel: Update kernel prebuilt to hwbinder enabled and v4.4.43 (f76a3c4) am: 64b54a5312 am: 8384622514
am: 551814fde4

Change-Id: Ic94a7887b1c4f9b17f8f8ffe0c322267462d2fba
tree: db111c1094e42e3ff2811929f97ddbcf068eb064
  1. hi6220-hikey.dtb
  2. hi6220-hikey.dtb-4.1
  3. Image-dtb
  4. Image-dtb-4.1