x86/VisWS: remove Kconfig quirk

VisWS has this quirk currently:

 config X86_VISWS
 	bool "SGI 320/540 (Visual Workstation)"
	depends on X86_32 && PCI && !X86_VOYAGER && X86_MPPARSE && PCI_GODIRECT

The !Voyager quirk is unnecessary.
Signed-off-by: NIngo Molnar <mingo@elte.hu>

arch/x86/Kconfig

@@ -351,7 +351,7 @@ endchoice
 
 config X86_VISWS
 	bool "SGI 320/540 (Visual Workstation)"
-	depends on X86_32 && PCI && !X86_VOYAGER && X86_MPPARSE && PCI_GODIRECT
+	depends on X86_32 && PCI && X86_MPPARSE && PCI_GODIRECT
 	help
 	  The SGI Visual Workstation series is an IA32-based workstation
 	  based on SGI systems chips with some legacy PC hardware attached.