- Add sshd 'UsePAM yes'
- Buildroot automatically adds and enables:
- /etc/pam.d/ with authentication for login, sshd, and sudo
- PAM support in BusyBox login
Also, prepare for adding RADIUS authentication support to ietf-system
the only tricky part is testing against a RADIUS server.
Signed-off-by: Joachim Wiberg <troglobit@gmail.com>