[llvm] [mlir] [mlir] Implement Mesh's ShardingInterface for Linalg ops (PR #82284)

[Lei Zhang via llvm-commits]

https://github.com/antiagainst approved this pull request.

Nice! Thanks for working this through! LGTM in general; I have some comments but not blocking.

https://github.com/llvm/llvm-project/pull/82284