[flashrom] Adding support for XTX XT25F128F-W

[Brian]

Hello! I need some help adding support for the XTX XT25F128F-W

Datasheet:
https://datasheet.lcsc.com/lcsc/2207051802_XTX-XT25F128FWOIGT-W_C3202839.pdf

flashrom log:
https://pastebin.com/raw/9hkbWh51

It seems like only 1 XTX chip is supported. Let me know what you need!