Added support for DS2408 based extension boards - 1W-8R and 1W-4R/4DI
Added support for DS2408 based extension boards - 1W-8R and 1W-4R/4DI

UniPiTechnology/evok,UniPiTechnology/evok,UniPiTechnology/evok,UniPiTechnology/evok,UniPiTechnology/evok