Filter out one more fake DMI string.

git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@6022 7894878c-1315-0410-8ee3-d5d059ff63e0

prog/detect/sensors-detect

@@ -2809,6 +2809,7 @@ sub initialize_dmi_data
 		'system product name' => 1,
 		'system name' => 1,
 		'system version' => 1,
+		'to be filled by o.e.m.' => 1,
 	);
 	my $dmi_id_dir;