x86, VisWS: turn into generic arch, add early init quirks

add early init quirks for VisWS. This gradually turns the VISWS subarch
into a generic PC architecture.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/pci/visws.c b/arch/x86/pci/visws.c
index 343ccf6..2e02221 100644
--- a/arch/x86/pci/visws.c
+++ b/arch/x86/pci/visws.c
@@ -107,7 +107,11 @@
 
 static __init int pci_subsys_init(void)
 {
+	return -1;
+
 	pci_visws_init();
 	pcibios_init();
+
+	return 0;
 }
 subsys_initcall(pci_subsys_init);