[llvm] [NVPTX] Add NewPM boilerplate to most passes (PR #214923)

[Aiden Grossman via llvm-commits]

https://github.com/boomanaiden154 commented:

I typically finding doing a PR per pass makes things much more manageable to review.

It also looks like there are some consistency issues with other targets, like the use of struct vs class for the class declarations.

https://github.com/llvm/llvm-project/pull/214923