hikey-kernel: Add hikey960 android-5.4 kernel and modules am: 116a79898b am: 12b794bfdc am: 2ee513caf0 am: 098c762a91

Original change: https://android-review.googlesource.com/c/device/linaro/hikey-kernel/+/1324301

Change-Id: Ibf3c5ff32e653e626abdbd1bfaf936ced633a6d8
tree: 193f73823093cf964ab60462202b56e226e0357f
  1. hikey/
  2. hikey960/
  3. update-prebuilts.sh