[libclc] [libclc] Use __ocml_cos/sin/tan/exp*/lgamma/log*/fmax/fmin/sqrt for AMDGPU (PR #153328)

[Wenju He via cfe-commits]

wenju-he wrote:

> > That's great. Unfortunately I can't to attend the workshop. Will it be recorded and uploaded e.g. to youtube? I'd like to watch the talk.
> 
> No, but I can post the slides after

thanks, I look forward to it.

https://github.com/llvm/llvm-project/pull/153328