[lld] [lld][ELF] improve AMD error message (PR #135082)

[Matt Arsenault via llvm-commits]

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@@ -143,7 +143,7 @@ uint32_t AMDGPU::calcEFlags() const {
   case ELFABIVERSION_AMDGPU_HSA_V6:
     return calcEFlagsV6();
   default:
-    Err(ctx) << "unknown abi version: " << abiVersion;
+    Err(ctx) << "unknown amd-hsa abi version: " << static_cast<int>(abiVersion);
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arsenm wrote:

and why is it split with a - 

https://github.com/llvm/llvm-project/pull/135082