The BDFs for OpenMesh A42 were upstreamed [1] to the ath10k-firmware
repository and are now part of ath10k-firmware 2018-01-26. The
ipq-wifi-openmesh_a42 package can now be dropped because OpenWrt already
ships the QCA4019 board-2.bin from this version.
[1] https://wireless.wiki.kernel.org/en/users/drivers/ath10k/boardfiles
Signed-off-by: Sven Eckelmann <sven.eckelmann@open-mesh.com>