Suggested by: nate - get rid of "magick" values in code and make sysctl's reflecting reality on processor versions which have one or another frequency "forbidden" due to errata. MFC after: 2 weeks
Suggested by: nate - get rid of "magick" values in code and make sysctl's reflecting reality on processor versions which have one or another frequency "forbidden" due to errata. MFC after: 2 weeks