This target feed adds support for the i.MX6 platform to lede/openwrt.
Download openwrt trunk with git clone:
git clone https://github.com/openwrt/openwrt.git
Add the imx target feed to feeds.conf_:
echo "src-git imx_target https://github.com/joilg/mx6sx.git" >> feeds.conf
Update and install the target feed:
scripts/feeds update && scripts/feeds install -p imx_target imx