hikey-kernel: Update hikey960 android-5.4 kernel and modules am: 8c83a5ffda am: d7933fe59c am: df063bb2bb

Original change: https://android-review.googlesource.com/c/device/linaro/hikey-kernel/+/1582276

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Ifc430f8b9d67988d11bd88f29ed81b37925d6740
tree: 7e0fe52d8664fbfd32073e180e0eeb839f6fa182
  1. hikey/
  2. hikey960/
  3. update-prebuilts.sh