[clang] [clang][Driver][AVR] Reject c/c++ compilation for avr1 devices (PR #111798)

[Ben Shi via cfe-commits]

benshi001 wrote:

> Thanks for getting to this I had forgotten I raised that issue.
> 
> You should move your commit's message into the PR description, as the PR description is what's used for the final commit when we merge this.

Thanks. I have update my PR description according to my commit message.

https://github.com/llvm/llvm-project/pull/111798