Just search RB3011UiAS-2HnD-IN - it's planned for production. Also, see https://asp24.ru/obzory/obzor-marshrutizatora-mikrotik-rb3011uias-rm/ it contains image ( https://asp24.ru/images/companies/1/rb3011uias/rb3011_w_wifi.jpg ) with connected PCI-E WiFi board.
This is main problem. Also, who knows - bootloader is locked with qualcomm trustzone or not?
I can't see how integrate dtb blob into elf image format which loads bootloader.