x86, VisWS: fix pci_direct_conf1 dependency

fix:

 arch/x86/pci/built-in.o: In function `pci_subsys_init':
 visws.c:(.init.text+0xfc5): undefined reference to `pci_direct_conf1'
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 && X86_MPPARSE
+	depends on X86_32 && PCI && !X86_VOYAGER && 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.