Properly reset the ZTP bit.

www/swreg/callhome.php

@@ -78,7 +78,7 @@ if ($row['should_re_ztp'] == 1) {
     $sql = 'UPDATE DEVICE_MAP SET should_re_ztp=? WHERE serial_number=?';
     try {
         $sth = $dbh->prepare($sql);
-        $res = $sth->execute(array(1, $sn));
+        $res = $sth->execute(array(0, $sn));
     } catch (PDOException $e) {
         $logger->crit("Failed to reset re-ZTP bit for {$sn}: {$e->getMessage()}");
     }