Update credits for mobile models

[TheKanter]

https://mlcommons.org/en/credits/ needs to be updated.

Can we fill in https://docs.google.com/spreadsheets/d/17q_OtvVI_C5ET0shUTObHwiplUVRj5gFkU1dTkU7AcQ/edit#gid=0 for

MobileNetEdgeTPU
DeepLabV3
OLD SSD
MobileDETs
MobileBERT