Harden Belgite, Silverstone and add support for new platforms Seastone2, Questone2A, DS4000-v2, DS3000-v2, DS2000-v2

Harden Belgite, Silverstone and add support for new platforms Seastone2, Questone2A, DS4000-v2, DS3000-v2, DS2000-v2 #21457