x86, VisWS: turn into generic arch, eliminate Kconfig specials

remove leftover traces of various VISWS related Kconfig specials.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/mach-default/setup.c b/arch/x86/mach-default/setup.c
index b8054c3..48278fa 100644
--- a/arch/x86/mach-default/setup.c
+++ b/arch/x86/mach-default/setup.c
@@ -81,7 +81,7 @@
  *
  * Description:
  *	generally used to activate any machine specific identification
- *	routines that may be needed before setup_arch() runs.  On VISWS
+ *	routines that may be needed before setup_arch() runs.  On Voyager
  *	this is used to get the board revision and type.
  **/
 void __init pre_setup_arch_hook(void)