[compiler-rt] [rtsan] Add dl, rt, m, and log libraries as unit test dependencies, get rid of atomic (PR #98264)

[Vitaly Buka via llvm-commits]

vitalybuka wrote:

> ⚠️ We detected that you are using a GitHub private e-mail address to contribute to the repo. Please turn off [Keep my email addresses private](https://github.com/settings/emails) setting in your account. See [LLVM Discourse](https://discourse.llvm.org/t/hidden-emails-on-github-should-we-do-something-about-it) for more information.

Would be possible to fix this?
I guess you email is visible in git commits anyway.

https://github.com/llvm/llvm-project/pull/98264