i8k: Integrate with the hwmon subsystem

Let i8k create an hwmon class device so that libsensors will expose
the CPU temperature and fan speeds to monitoring applications.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Guenter Roeck <guenter.roeck@ericsson.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Massimo Dal Zotto <dz@debian.org>
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 880fcb6..dcf25b7 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -917,6 +917,7 @@
 
 config I8K
 	tristate "Dell laptop support"
+	select HWMON
 	---help---
 	  This adds a driver to safely access the System Management Mode
 	  of the CPU on the Dell Inspiron 8000. The System Management Mode