rnndb: add PSEC2
rnndb: add PSEC2

we probably want to move the sec thing somewhere else, because it isn't
strictly related to video stuff.

pierremoreau/envytools,karolherbst/envytools,pierremoreau/envytools,envytools/envytools,karolherbst/envytools,envytools/envytools,envytools/envytools,pierremoreau/envytools,karolherbst/envytools,pierremoreau/envytools,pierremoreau/envytools,karolherbst/envytools,envytools/envytools,karolherbst/envytools,envytools/envytools