SPDX moved from GPL-2.0 to GPL-2.0-only and from GPL-2.0+ to
GPL-2.0-or-later. Reflect that in the SPDX license headers.
Signed-off-by: Paul Spooren <mail@aparcar.org>
[adjust commit title, update remaining files]
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
Add support for make target nconfig (ncurses)
Reviewed-by: Eneas U de Queiroz <cotequeiroz@gmail.com>
Signed-off-by: Sergio E. Nemirowski <sergio@outerface.net>
Signed-off-by: Petr Štetiar <ynezz@true.cz>