Merge "hikey960: enable the bootcontrol hal for hikey960 build" am: a6b96db0e7 am: 6709139ada

Original change: https://android-review.googlesource.com/c/device/linaro/hikey/+/2119972

Change-Id: I0b3256a26392e116867b4f73ad1cbdd6142c76fe
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>