Add a placeholder for the ServerWorks OSB4 device id. The SMBus

interface on this chip is compatable with the PIIX4.  The catch is that
this interferes with isab0 which wants to attach to the same PCI node.
It seems to work, but we only tested it on systems with no ISA cards.

sys/pci/intpm.c

@@ -58,6 +58,10 @@ static struct _pcsid
 } pci_ids[] =
 {
 	{ 0x71138086,"Intel 82371AB Power management controller"},
+#if 0
+	/* Not a good idea yet, this stops isab0 functioning */
+	{ 0x02001166,"ServerWorks OSB4 PCI to ISA Bridge"},
+#endif
 	
 	{ 0x00000000,	NULL					}
 };