start for the LM80 driver. (Since 80-79=1, they must be very similar,
right? :') Oh, and I removed the ISA components from it since the LM80 is
an SMBus only chip, too.
git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@84 7894878c-1315-0410-8ee3-d5d059ff63e0