hwmon: (lm85) Add individual alarm files

The future libsensors needs these individual alarm and fault files.

Also delete old and unused alarm defines.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Juerg Haefliger <juergh at gmail.com>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>