Add new model PR50S

[amauryverschooren]

Hi

Is it possible to add a model for the PR50S. i added the usb data i captures with wireshark. Do you need anything else?

https://drive.google.com/file/d/1b9LAmCq6CLWtrLCEAKwda89fP69tsQ5G/view?usp=sharing

Kind regards