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

[Michael Holman via llvm-commits]

MikeHolman wrote:

@stellaraccident Would you mind taking another look at this? I have the change in my fork so kind of have been lazy about trying to get it checked in, but definitely would like to get this change in at some point.

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