newdevice: Added detection for IgniteNet HeliOS

[laf]

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Fixes: #5085

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[scrutinizer-notifier]

The inspection completed: 1 updated code elements

[jjonssondk]

I'm not seeing signal strength. According to IgniteNet that should come from:

Signal strength (dBm RSSI) via SNMP

.1.3.6.1.4.1.47307.1.4.2.1.10

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