The device tree exports reboot:modem and reset:modem, but without a UCI
switch they cannot be reached from LuCI or enforced at boot. Add them,
following the teltonika,rutm* precedent. The defaults match the output
values already set in the device tree.
Signed-off-by: Fredrik Hallin <fredappsdev@outlook.com>
Link: https://github.com/openwrt/openwrt/pull/24975
Signed-off-by: Jonas Jelonek <jonas@jonasjelonek.de>