hikey960/hikey: Transition to using to vendor-package

Moves the bootloader objects, and mali libraries to the vendor
package and adds the support files, tweaking the flash-all.sh
script

Will use the vendor-package located here:
  https://releases.linaro.org/android/aosp-linaro-vendor-package/extract-linaro_devices-20220210.tgz

Signed-off-by: John Stultz <john.stultz@linaro.org>
Change-Id: I5e22c28c6f2c9ce3a7ec42e72411192dfbb6b312
51 files changed