hwmon: (coretemp) Add maximum cooling temperature readout

Following patch will add reporting of maximum temperature, at which all fans
should spin full speed. It may be non-physical temperature on Desktop/Server CPUs.

Signed-off-by: Rudolf Marek <r.marek@assembler.cz>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>

Documentation/hwmon/coretemp

@@ -25,7 +25,8 @@ may be raised, if the temperature grows enough (more than TjMax) to trigger
 the Out-Of-Spec bit. Following table summarizes the exported sysfs files:
 
 temp1_input	 - Core temperature (in millidegrees Celsius).
-temp1_crit	 - Maximum junction temperature  (in millidegrees Celsius).
+temp1_max	 - All cooling devices should be turned on (on Core2).
+temp1_crit	 - Maximum junction temperature (in millidegrees Celsius).
 temp1_crit_alarm - Set when Out-of-spec bit is set, never clears.
 		   Correct CPU operation is no longer guaranteed.
 temp1_label	 - Contains string "Core X", where X is processor