ata_piix: add Tecra M3 to broken suspend blacklist

Add Tecra M3 to the broken suspend blacklist.  Tecra M3 doesn't have
proper DMI_PRODUCT_NAME but has an OEM_STRING instead.  Match it.
Signed-off-by: NTejun Heo <htejun@gmail.com>
Signed-off-by: NJeff Garzik <jeff@garzik.org>

drivers/ata/ata_piix.c

@@ -916,10 +916,18 @@ static int piix_broken_suspend(void)
 		},
 		{ }
 	};
+	static const char *oemstrs[] = {
+		"Tecra M3,",
+	};
+	int i;
 
 	if (dmi_check_system(sysids))
 		return 1;
 
+	for (i = 0; i < ARRAY_SIZE(oemstrs); i++)
+		if (dmi_find_device(DMI_DEV_TYPE_OEM_STRING, oemstrs[i], NULL))
+			return 1;
+
 	return 0;
 }