[llvm] [OFFLOAD] Add plugin with support for Intel oneAPI Level Zero (PR #158900)

[Alex Duran via llvm-commits]

adurang wrote:

> Will this have any testing support and does Intel plan on hosting a bot to test it? Because I'm not aware of anyone who can test these changes locally.

Eventually yes. But at the current failrate it would create more noise than anything I think. But it's in our own interest to enable testing so of course we want to get there when possible.

https://github.com/llvm/llvm-project/pull/158900