Upgrading from OpenWrt 19.07 remotely

[anon89577378]

@slh

Please drop ath79 (only TP-Link TL-WR941ND) from your list

That came from @hauke's release notification for 21.02.0 -

OpenWrt 21.02.0 - First Stable Release

Hi, The OpenWrt community is proud to announce the first stable release of the OpenWrt 21.02 stable version series. It incorporates over 5800 commits since branching the previous OpenWrt 19.07 release and has been under development for about one and a half year. Highlights in OpenWrt 21.02.0 WPA3 support included by default WPA3 was already supported in 19.07 but it was not provided by the default set of packages in OpenWrt images. With 21.02, all packages necessary to provide WPA3 are inst…

Let's check if he's OK with amending, or dropping it.