Changes has no impact on the NW.

SW versions changes to 6.1.8:
- Added sync command
- Added configuration of Syslog service
- Added logging of user actions
- Support of HTTPS certificate uploading
- Added /emphProduct Type into program status
- Fixed selection of PSK for IKEv1
- Fixed Multiple WANs mode
- Fixed crashing of DHCP client
- Fixed SIM LED indication
- Fixed CVE in wpa_supplicant program
- Fixed CVE in Linux kernel
- Upgraded BusyBox program to version 1.29.3

