add .BoardConfig.mk package-file

hc

2023-05-31 43fd8d44e8182b691c8ee61d487cec02ca11afd2

1
2
# Locally computed:
sha256  686bcfb44e50b96345aa53f41e285f2118a2cf87a333b69b74165a2e7ddca492  libdmtx-0.7.4.tar.gz