docs: hwmon: (coretemp) fix outdated documentation

- Remove broken Intel wiki link; add Intel SDM download page link
- Fix description of tempX_max to clarify it is not Core2-only
- Correct tempX_label string for package temperature (changed in commit
2bc0e6d07e ("hwmon: (coretemp) rearrange tjmax handing code"))

Signed-off-by: Roman Bakshansky <bakshansky.lists@gmail.com>
Link: https://lore.kernel.org/r/20260517152027.350356-1-bakshansky.lists@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Documentation/hwmon/coretemp.rst

@@ -22,8 +22,7 @@ Supported chips:
 
 	       Intel 64 and IA-32 Architectures Software Developer's Manual
 	       Volume 3A: System Programming Guide
-
-	       http://softwarecommunity.intel.com/Wiki/Mobility/720.htm
+	       (https://www.intel.com/content/www/us/en/developer/articles/technical/intel-sdm.html)
 
 Author: Rudolf Marek
 
@@ -51,12 +50,13 @@ All Sysfs entries are named with their core_id (represented here by 'X').
 
 ================= ========================================================
 tempX_input	  Core temperature (in millidegrees Celsius).
-tempX_max	  All cooling devices should be turned on (on Core2).
+tempX_max	  Maximum recommended operating temperature (Tcontrol).
+		  All cooling devices should be turned on.
 tempX_crit	  Maximum junction temperature (in millidegrees Celsius).
 tempX_crit_alarm  Set when Out-of-spec bit is set, never clears.
 		  Correct CPU operation is no longer guaranteed.
 tempX_label	  Contains string "Core X", where X is processor
-		  number. For Package temp, this will be "Physical id Y",
+		  number. For Package temp, this will be "Package id Y",
 		  where Y is the package number.
 ================= ========================================================