x86/PCI: make ACPI MCFG reserved error messages ACPI specific

Both ACPI and SFI firmwares will have MCFG space, but the error message
isn't valid on SFI, so don't print the message in that case.
Signed-off-by: Feng Tang <feng.tang@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>

arch/x86/pci/mmconfig-shared.c

@@ -483,16 +483,17 @@ static void __init pci_mmcfg_reject_broken(int early)
 	list_for_each_entry(cfg, &pci_mmcfg_list, list) {
 		int valid = 0;
 
-		if (!early && !acpi_disabled)
+		if (!early && !acpi_disabled) {
 			valid = is_mmconf_reserved(is_acpi_reserved, cfg, 0);
 
 			if (valid)
 				continue;
-
-		if (!early)
+			else
 				printk(KERN_ERR FW_BUG PREFIX
 				       "MMCONFIG at %pR not reserved in "
-			       "ACPI motherboard resources\n", &cfg->res);
+				       "ACPI motherboard resources\n",
+				       &cfg->res);
+		}
 
 		/* Don't try to do this check unless configuration
 		   type 1 is available. how about type 2 ?*/