drivers/pci: Fix for debug builds without CONFIG_PCI_ENUM_ONLY

The debug printing references bar_res, which exists only if
CONFIG_PCI_ENUM_ONLY is not defined. Therefore move it into the ifdef'd
area.

Signed-off-by: Phil Sutter <phil@nwl.cc>
Acked-by: Stefan Roese <sr@denx.de>
Reviewed-by: Tom Rini <trini@konsulko.com>

drivers/pci/pci_auto_old.c

@@ -101,11 +101,11 @@ void pciauto_setup_device(struct pci_controller *hose,
 				bar_res = prefetch;
 			else
 				bar_res = mem;
-#endif
 
 			debug("PCI Autoconfig: BAR %d, %s, size=0x%llx, ",
 			      bar_nr, bar_res == prefetch ? "Prf" : "Mem",
 			      (unsigned long long)bar_size);
+#endif
 		}
 
 #ifndef CONFIG_PCI_ENUM_ONLY