Add build scripts for XRT

[Mellich]

Adds build scripts for XRT, a runtime for AI Engines and FPGA platforms.
WIP because it depends on #9270

[Mellich]

The Windows version of this library is only compatible with MSVC, so I had to do several patches to make it work with MinGW.

[giordano]

That's awesome, thanks! Would you also be able to submit PRs upstream with those patches? As a downstream project, keeping around multiple patches is cumbersome and hard to maintain (and hard to evaluate for us, as people not familiar with the upstream codebase), upstreaming the patches instead benefits other users as well

[Mellich]

Sure, I will try this. However, it won't change anything for this specific release version.
Unfortunately, I also had to disable some tracing functionality for the Windows build because it depends on TraceLoggingProvider.h.

[Mellich]

I opened a PR with the in my eyes relevant changes to XRT. How do we proceed with this PR? Should we wait until the changes are merged to XRT? But as already mentioned, that will not affect the current release.