It couldn't be zero, since it won't enable wdt. JIRA VFND-3450 Change-Id: I9f6ab37bd438923596406a085603c70dcb83d46a Signed-off-by: Richard Zhao <rizhao@nvidia.com> Reviewed-on: http://git-master/r/1292715 Reviewed-by: Thomas Fleury <tfleury@nvidia.com> Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com> GVS: Gerrit_Virtual_Submit Reviewed-by: Alex Waterman <alexw@nvidia.com> Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>