Adding possibility to modify shell prompt in Kconfig and in prj.config
file.
Fixes#14547.
Signed-off-by: Jakub Rzeszutko <jakub.rzeszutko@nordicsemi.no>
Add TELNET backed for shell module. The TELNET implementation is based
on the telnet_console driver.
Signed-off-by: Robert Lubos <robert.lubos@nordicsemi.no>