[clang] [llvm] [OffloadBundler] Rework the ctor of `OffloadTargetInfo` to support AMDGPU's generic target (PR #122629)

[Shilei Tian via llvm-commits]

shiltian wrote:

> Did you try this patch with internal PSDB? Does it break any existing HIP apps or libraries?

Will make a PR shortly after the migration.

https://github.com/llvm/llvm-project/pull/122629