- add functionality to configure RADIUS NAS-Id and Operator-Name
- add functionality to configure RADIUS accounting interval
- enable RADIUS "Chargeable User Identity"
Signed-off-by: John Crispin <john@phrozen.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
(cherry-picked from commit 3bd6c8c728)