[llvm] AMDGPU: Respect amdgpu-no-agpr in functions and with calls (PR #128147)

[Matt Arsenault via llvm-commits]

arsenm wrote:

### Merge activity

* **Feb 22, 8:59 PM EST**: A user started a stack merge that includes this pull request via [Graphite](https://app.graphite.dev/github/pr/llvm/llvm-project/128147).


https://github.com/llvm/llvm-project/pull/128147