I just thought to let you guys know I have found a CPUID repo on Github which lists all of the CPUIDs for both Intel and AMD chips. So if you use say Clover or Opencore it is possible to use those codes in your build.
Might also be helpful with kernel development. > https://github.com/InstLatx64/InstLatx64/blob/master/ChangeLog.htm
Might also be helpful with kernel development. > https://github.com/InstLatx64/InstLatx64/blob/master/ChangeLog.htm