Zabbix

.........T [ZBXNEXT-10403] implemented the template for Huawei AR600 devices

Merge in ZBX/zabbix from feature/ZBXNEXT-10403-7.5 to master

* commit '3aa67b84ad754aec557b283bf6eeb0c0c384d662':
  .........T [ZBXNEXT-10403] fixed item units
  .........T [ZBXNEXT-10403] fixed NQA items
  .........T [ZBXNEXT-10403] implemented the template for Huawei AR600 devices - fix after proofreading
  .........T [ZBXNEXT-10403] implemented the template for Huawei AR600 devices - update UUIDs
  .........T [ZBXNEXT-10403] implemented the template for Huawei AR600 devices - add missing descriptions
  .........T [ZBXNEXT-10403] implemented the template for Huawei AR600 devices