Turris OS 5.3.4 release

* Updated kernel to version 4.14.262
* Updated mac80211 to version 4.19.221
* Updated several packages such as zsh, domoticz
* Fixed RTC issue on Turris 1.x routers
* Fixed remote storages in schnapps
* Fixed initial SFP configuration for Turris MOX
* Security fixes
  * PostgreSQL
  * c-ares