[llvm] [Github][libc] Add qemu-system-hexagon to the libc container (PR #219433)

[Aiden Grossman via llvm-commits]

https://github.com/boomanaiden154 commented:

Are there plans to upstream the He xagon specific patches from the fork into upstream QEMU? Having to build from source from a fork is a bit annoying.

https://github.com/llvm/llvm-project/pull/219433