Revert "Revert "[Reland][CPU] Add ops for float8 linear" (#3179)"#3254

jerryzh168 merged 2 commits intopytorch:mainpytorch/ao:mainfrom

Xia-Weiwen:reland_fp8_linear_2Xia-Weiwen/torchao:reland_fp8_linear_2Copy head branch name to clipboard