x86, VisWS: build fix

fix:

 arch/x86/kernel/built-in.o: In function `visws_early_detect':
 : undefined reference to `mach_get_smp_config_quirk'
 arch/x86/kernel/built-in.o: In function `visws_early_detect':
 : undefined reference to `mach_find_smp_config_quirk'
Signed-off-by: NIngo Molnar <mingo@elte.hu>

arch/x86/Kconfig

@@ -353,7 +353,7 @@ endchoice
 
 config X86_VISWS
 	bool "SGI 320/540 (Visual Workstation)"
-	depends on X86_32 && PCI && !X86_VOYAGER
+	depends on X86_32 && PCI && !X86_VOYAGER && X86_MPPARSE
 	help
 	  The SGI Visual Workstation series is an IA32-based workstation
 	  based on SGI systems chips with some legacy PC hardware attached.