db845c/BoardConfig.mk: set bootv3 as the default am: 98fd0ee79c am: 24d06dae12 am: c85d3ca726

Original change: https://android-review.googlesource.com/c/device/linaro/dragonboard/+/1982901

Change-Id: I09727bc2bc911388e418490f6c595da5a819f961