Docstring changes for dynamic quantized classes (#40931)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/40931
Fix docstrings for dynamic quantized Linear/LSTM and associated classes
ghstack-source-id: 107064446
Test Plan: Docs show up in correctly
Differential Revision: D22360787
fbshipit-source-id: 8e357e081dc59ee42fd7f12ea5079ce5d0cc9df2
