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

[Chris Apple via llvm-commits]

cjappl 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.

Fixed in my local gitconfig. I thought i just needed it in the git commits. Thanks for bringing attention to it

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