I8K: add i8k driver to the x86_64 Kconfig

Adds i8k driver to the x86_64 Kconfig.
Signed-off-by: Bradley Smith <bradjsmith@btinternet.com>
Cc: Frank Sorenson <frank@tuxrocks.com>
Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

arch/x86/Kconfig

@@ -631,7 +631,6 @@ config TOSHIBA
 
 config I8K
 	tristate "Dell laptop support"
-	depends on X86_32
 	---help---
 	  This adds a driver to safely access the System Management Mode
 	  of the CPU on the Dell Inspiron 8000. The System Management Mode