[llvm] [Offload] Generate `OffloadTypedGetInfo.inc` (PR #168615)

[Andrei Elovikov via llvm-commits]

aelovikov-intel wrote:

> The intention of the offloading runtime is to be a C API. Are we providing these as additional wrappers?

Yes, additional and only for in-tree C++ consumers, i.e., I'm not adding `install`s to https://github.com/llvm/llvm-project/blob/5bba4fd75dd513423ff8bb905f89b60558099578/offload/liboffload/CMakeLists.txt#L42-L49

https://github.com/llvm/llvm-project/pull/168615