feat(fx-importer): support for importing fp8 model parameters#4020

UtkarshKunwar wants to merge 1 commit intollvm:mainllvm/torch-mlir:mainfrom

UtkarshKunwar:feature/fx-importer-fp8-weightsUtkarshKunwar/torch-mlir:feature/fx-importer-fp8-weightsCopy head branch name to clipboard