[llvm] [DirectX][ObjectYAML] Add ILDB program part support (PR #189685)

[Vladislav Dzhidzhoev via llvm-commits]

dzhidzhoev wrote:

> Thanks, just to confirm, when a pr is marked as draft we will not review it. I did forward this to the team internally earlier but it was changed to draft since.

Thanks for taking a look earlier, and sorry for the confusion/noise.
I was asked to keep this as internal work on our side for now, so I’ve switched it to draft.

https://github.com/llvm/llvm-project/pull/189685