Add definition for BQ Witbox 2
Add definition for BQ Witbox 2

Contributes to issue CURA-1278.

hmflash/Cura,hmflash/Cura,ynotstartups/Wanhao,ynotstartups/Wanhao,senttech/Cura,fieldOfView/Cura,totalretribution/Cura,totalretribution/Cura,senttech/Cura,Curahelper/Cura,Curahelper/Cura,fieldOfView/Cura