[compiler-rt] Add cmake option to enable/disable searching PATH for symbolizer (PR #129012)

[Vitaly Buka via llvm-commits]

vitalybuka wrote:

> > We usually do not recommend to use sanitizers with heaver runtime in environment sensitive to such vulnerabilities.
> > E.g. ubsan with min runtime or trap is OK.
> 
> Understood. However, I think it would be reasonable (as a choice by the builder of the sanitizer) to recommend against deploying said sanitizers to environments thought to be sensitive to such vulnerabilities and yet also configure the sanitizers to be less susceptible to such vulnerabilities.

SGTM.
Please ping me when it's ready for review.

https://github.com/llvm/llvm-project/pull/129012