rm -rf output/target
find output/ -name ".stamp_target_installed" |xargs rm -rf
https://stackoverflow.com/questions/47320800/how-to-clean-only-target-in-buildroot
rm -rf output/target
find output/ -name ".stamp_target_installed" |xargs rm -rf
https://stackoverflow.com/questions/47320800/how-to-clean-only-target-in-buildroot