MC800N2: Anjoy MC800-series module with NOR flash

Flash and storage
- "Previous ones from the Anjoy MC800{N,N2} series were with NOR."
  (https://t.me/c/1166652144/19490)

Interfaces and pinout
- Wiring diagram looks identical to MC800S's
  (https://t.me/c/1809358416/113073)