[llvm] [GlobalISel] Fix [SU]SUBO combine (PR #116998)

[Matt Arsenault via llvm-commits]

arsenm wrote:

> The lowering of G_UADDE blindly adds the CarryIn to the sum of
> 

This is a bug. We would need an optimization combine to fold the carry-out to add-in iff the target boolean content is ZeroOrOne 

https://github.com/llvm/llvm-project/pull/116998