I don't know if it is already known, but looking at the contents of the 2.1.5 update for the KoboGlo, I inferred the following codenames and product codes for the Kobo's readers:
Kobo Mini:
Code Name: pixie
Product Code: E5061
Kobo Touch:
Code Name: trilogy
Product Code: E60610D
Kobo Glo:
Code Name: kraken
Product Code: E606B