[llvm] [AMDGPU][MC] Allow UC_VERSION_* constant reuse (PR #96461)

[Ivan Kosarev via llvm-commits]

https://github.com/kosarev commented:

We have some code downstream suffering from failures on the assertion in the disassembler. I wonder if we can provide a fix for that using the unit test from this patch and all the changes related to attempts to deal with changed symbol values removed (including in the unit test).

https://github.com/llvm/llvm-project/pull/96461