[llvm] [mlir] [mlir] Consider mlir-linalg-ods-gen as a tablegen tool in build (PR #76843)

[Mehdi Amini via llvm-commits]

joker-eph wrote:

> However, it is a necessary component of the build, so it can cause build issues with users of the installed LLVM, and so I think it should not be excluded.

I don't follow: I understand this tool as a tool internal to Linalg development, when is it needed by a user?

https://github.com/llvm/llvm-project/pull/76843