This is the OpenWrt "thread_border_router_feeds" repository. It contains software needed to create the Internet Gateway for the Thread network with use of the Nordic nRF52840 Development Kit as the Network Co-Processor.
This feed is meant to be used with OpenWrt Build System.
Your feeds.conf.default (or feeds.conf) should contain a line like:
src-git thread_border_router_feeds https://github.com/NordicPlayground/thread_border_router_feeds.git
To install all its package definitions, run:
./scripts/feeds update thread_border_router_feeds
./scripts/feeds install -a -p thread_border_router_feeds