Update the AMD family 17h temperature reporting based on AMD Tech Doc 56255 OSRR, section 4.2.1:
- For CPUsS w/CUR_TEMP_RANGE_SEL clearset, scale the reported temp in the range 0..225-49..206, not 0..255
- For CPUS w/CUR_TEMP_RANGE_SEL seteg, scale the reported temp in the range -49..206subtract 49C