Searching NXP quickly finds me the following, saying that you get them from Silvaco:
Wikipedia has references saying the CF1 cores was available free from IPExtreme, but that was nearly 10 YEARS ago and for a specific FPGA family (Altera Cyclone III):
https://en.wikipedia.org/wiki/NXP_ColdFire
https://www.design-reuse.com/news/19363/coldfire-processor-altera-cyclone-iii.html
The last one above links to here which not surprisingly gives a "404 error":
https://www.silvaco.com/products/IP/IP/coldfire_altera_v1.html
That document last existed in January 2010, so you may be 8 years too late for that core on that chip:
https://web.archive.org/web/20100131064910/www.ip-extreme.com/IP/coldfire_altera_v1.html
You can buy some nice Altera Cyclone III models for up to $400 per chip (smaller ones $16 each :-).
Tom