Solder party StampXL board support

[rudafm]

Description

https://www.solder.party/docs/rp2350-stamp-xl/

Code Size

No response

Implementation

I hope the MicroPython maintainers or community will implement this feature

Code of Conduct

Yes, I agree

[robert-hh]

The usual way to get a board supported is creating the board files and submitting a pull request.

[scruss]

The definition/firmware images for the RP2350B Core will likely work