This gets rid of a long list of boards with network interfaces and
instead let's boards (or MCUs with peripheral network interfaces)
provide the netif feature.
The apps that before used the long list are not depending on the
feature instead (in case of the default example, this is an
optional dependency).
Co-authored-by: mguetschow <mikolai.guetschow@tu-dresden.de>
Co-authored-by: mewen.berthelot <mewen.berthelot@orange.com>
Add the 256k version of the openlabs-kw41z-mini.
They are identical to the openlabs-kw41z-mini except that it uses
the mkw41z256vht4 instead of the mkw41z512vht4.