Netgear R7800 switch LAN ports are numbered backwards in LuCI,
i.e. numbering is not corresponding to the actual physical port labels,
patch fixes that.
Signed-off-by: Aleksandr V. Piskunov <aleksandr.v.piskunov@gmail.com>
[merged with existing board using the same config]
Signed-off-by: Hannu Nyman <hannu.nyman@iki.fi>