[quant][graphmode][fx] Add qat module mapping support in backend_config_dict (#70287)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/70287
This PR adds the support to configuring qat modules for fused/non-fused modules
TODO: there are some redundant configs, especially for fused op patterns, we can clean them up later
Test Plan:
python test/fx2trt/test_quant_trt.py TestQuantizeFxTRTOps
Imported from OSS
Reviewed By: vkuzo
Differential Revision: D33274057
fbshipit-source-id: b2e6a078211320d97c41ffadd3ecedfab57e3b77
