[quant] Reduce number of variants of add/mul (#42769)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/42769
Some of the quantized add and mul can have the same name
Test Plan: Imported from OSS
Reviewed By: supriyar
Differential Revision: D23054822
fbshipit-source-id: c1300f3f0f046eaf0cf767d03b957835e22cfb4b
