GDP has the policy that, if there is a maintainer for a new target board, in general we will add it as a supported platform for GDP. Dragonboard is supported for AGL and is a popular platform.
Support new SoC (Qualcomm DragonBoard 410c)
DragonBoard 410c: https://developer.qualcomm.com/hardware/dragonboard-410c
AGL working on DragonBoard-410c - Mailing Lists : https://lists.linuxfoundation.org/pipermail/automotive-discussions/2016-April/001880.html