[llvm] [AMDGPU] Run twoaddr tests with -early-live-intervals (PR #66775)

[Jay Foad via llvm-commits]

jayfoad wrote:

The motivation is to remove some spurious test failures when -early-live-intervals is enabled, in the hope that one day we can enable it by default.

https://github.com/llvm/llvm-project/pull/66775