Android 12.1.0 release 20
hikey960: Switch default flash-all to use the UEFI bootloader. am: 7f18a5391f am: d6c0e0409d am: 2aed91067f

Original change: https://android-review.googlesource.com/c/device/linaro/hikey/+/1665239

Change-Id: I1fb6f4a5848d06ace61ba4904dd45b75a0d2f11f