MC-F40: Anjoy SSC337 module with NOR flash

Chip and memory
- SoC is SSC337; measured IPL tag MVX4##I6b0g05c44beIPL_
  (https://t.me/c/1166652144/19577, https://t.me/c/1166652144/19521)
- Measured kernel log: "Memory: 30512K/36416K available" (Linux-visible
  only; total DDR not shown) (https://t.me/c/1166652144/19608)

Flash and storage
- NOR flash: "these modules have NOR" (https://t.me/c/1166652144/19521)

Firmware support (OpenIPC / majestic / stock)
- Tino's expectation (2021-09): "At least u-boot should be unlocked"
  (https://t.me/c/1166652144/19521)