Document URL:
https://bugzilla.redhat.com/show_bug.cgi?id=2096287 introduces a new field in the HCO CR: defaultCPUModel

Section Number and Name:

Describe the issue:
Docs is not available for this yet

Suggestions for improvement:
Add small section fr this item

Additional information:
Stu Gott and Simone Tiraboschi are the SME on this matter