Zabbix

.........T [ZBXNEXT-6389] added template for NetApp FAS3220

Merge in ZBX/zabbix from feature/ZBXNEXT-6389-5.2 to release/5.2

* commit 'b8d00b12de7c0fd6091f3fcce67224f3140c3c6c':
  .........T [ZBXNEXT-6389] fixed grammar
  .........T [ZBXNEXT-6389] added "MIB used" and firmware version
  .........T [ZBXNEXT-6389] added template for NetApp FAS3220 (tuskov)