DC Patches January 10, 2020 3.2.165

[Pavle Kotarac <Pavle.Kotarac@xxxxxxx>]

This new DC version brings improvements in the following areas:
    - Improvements for USB4;
    - Isolate FPU code for DCN20, DCN301, and DSC;
    - Fixes on Linking training;
    - Refactoring some parts of the code, such as PSR;