Import original OpenWRT dts files after executing the following script
on them:
for f in `ls [mr]t*.dtsi`; do
printf "\n#include <fbsd-$f>\n" >> $f
done
Approved by: adrian (mentor)
Obtained from: OpenWRT
Sponsored by: Smartcom - Bulgaria AD
Differential Revision: https://reviews.freebsd.org/D5971
