hpet.txt: broken link fix

The specification link in hpet document is broken.

Signed-off-by: Dave Young <hidave.darkstar@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/Documentation/hpet.txt b/Documentation/hpet.txt
index b7a3dc3..6ad52d9 100644
--- a/Documentation/hpet.txt
+++ b/Documentation/hpet.txt
@@ -5,7 +5,7 @@
 Each HPET can have up to 32 timers.  It is possible to configure the
 first two timers as legacy replacements for 8254 and RTC periodic timers.
 A specification done by Intel and Microsoft can be found at
-<http://www.intel.com/hardwaredesign/hpetspec.htm>.
+<http://www.intel.com/technology/architecture/hpetspec.htm>.
 
 The driver supports detection of HPET driver allocation and initialization
 of the HPET before the driver module_init routine is called.  This enables