Support Netman 204 new firmware 3.14

Device Requests
1

new firmware 3.14

OID became

.1.3.6.1.4.1.5491.317

add to riello.yaml

Thanks

Load disco module core

Attempting to initialize OS: riello
OS initialized as Generic
SNMP[[0;36m’/usr/bin/snmpget’ ‘-M’ ‘/opt/librenms/mibs:/opt/librenms/mibs/riello’ ‘-v2c’ ‘-c’ ‘COMMUNITY’ ‘-OQXUte’ ‘-On’ ‘udp:HOSTNAME:161’ ‘SNMPv2-MIB::sysObjectID.0’ ‘SNMPv2-MIB::sysDescr.0’ ‘SNMPv2-MIB::sysName.0’[0m]
...0 = ..4.1.5491.317
...0 = Netman 204
..*.0 =