[llvm] [AMDGPU][True16] set true16 mode as default on gfx110x (PR #140736)

[Brox Chen via llvm-commits]

broxigarchen wrote:

> Missing test changes? I'd expect at least something would change that shows the default

Hi Matt. Tests are handled and the changes are merged already. We want this patch to be small so that if it hits some of the downstream branch it's easier to test and revert

https://github.com/llvm/llvm-project/pull/140736