[llvm] [CodeGen][NewPM] Use verify-each option in npm tests (NFC). (PR #107373)

[Pravin Jagtap via llvm-commits]

https://github.com/pravinjagtap approved this pull request.

So we should not be using `-verify-machineinstrs` with NPM ? `-verify-each` verifies both input and output ?

https://github.com/llvm/llvm-project/pull/107373