[llvm] [AMDGPU] Add an asm directive to track code_object_version (PR #76267)

[Scott Linder via llvm-commits]

================
@@ -161,6 +161,8 @@ class MCAssembler {
   // which flags to be set.
   unsigned ELFHeaderEFlags;
 
----------------
slinder1 wrote:

Nit: can you remove the blank line? This falls under the "may be nice to factor into an ELF specific class" comment above

https://github.com/llvm/llvm-project/pull/76267