[llvm] [mlir] [MLIR] Generalize expand_shape to take shape as explicit input (PR #90040)

[Oleksandr Alex Zinenko via llvm-commits]

ftynse wrote:

> The utility has been moved to Arith/Utils, so no specific dialect dependency on the utils dialect. Let me know if Arith/Utils is the right place to put the utility inferExpandShapeOutputShape?

Maybe not, but it's a separate discussion. Thanks for addressing my concerns!

https://github.com/llvm/llvm-project/pull/90040