Fix missing stratum setting
Fix missing stratum setting

Add missing stratum parameter to the ntpd.conf file when specified on
the Serial GPS page.

ch1c4um/pfsense,NOYB/pfsense,ptorsten/pfsense,jxmx/pfsense,brunostein/pfsense,phil-davis/pfsense,brunostein/pfsense,dennypage/pfsense,pfsense/pfsense,ch1c4um/pfsense,brunostein/pfsense,ch1c4um/pfsense,jxmx/pfsense,pfsense/pfsense,NOYB/pfsense,BlackstarGroup/pfsense,pfsense/pfsense,phil-davis/pfsense,NewEraCracker/pfsense,pfsense/pfsense,NewEraCracker/pfsense,ptorsten/pfsense,NewEraCracker/pfsense,dennypage/pfsense,BlackstarGroup/pfsense,BlackstarGroup/pfsense,phil-davis/pfsense,ptorsten/pfsense,NewEraCracker/pfsense,ch1c4um/pfsense,dennypage/pfsense,phil-davis/pfsense,jxmx/pfsense,NOYB/pfsense,BlackstarGroup/pfsense,dennypage/pfsense