[coreboot] [inteltool]GM965 temperature detector

[lu zhihe]

Dear all:

I had download  a old version inteltool to add GM965 IGP Thermal Sensor
supported.
     It seems work. And the process of "calibrated current temperature"
transfer  to "degree Centigrade" need improve.
     It may split form inteltool, if just support gpu temperature report.

Hope you like it.

Thank you for your orignal work, Stefan Reinauer.