[llvm] Pre-Commit tests: [SPIRV] Support -fembed-bitcode=marker (PR #162081)

[Juan Manuel Martinez Caamaño via llvm-commits]

jmmartinez wrote:

> @jmmartinez this is already reviewed as part of #162082, isn't it? Or are there any extra changes here?

It's reviewed as a part of #162082, no extra changes here.

https://github.com/llvm/llvm-project/pull/162081