[llvm] [SPIRV] Addition of extension SPV_KHR_non_semantic_info and SPV_KHR_relaxed_extended_instruction (PR #165302)

[Nathan Gauër via llvm-commits]

Keenuts wrote:

> @Keenuts So i will close this PR and then put the new PR's. Is that alright?

As you prefer

https://github.com/llvm/llvm-project/pull/165302