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

[Hubert Tong via llvm-commits]

hubert-reinterpretcast wrote:

> Can you please elaborate what kind of issues you have from symbolizer?

Disabling the search via `PATH` may help towards handling concerns similar to the ones expressed by https://cwe.mitre.org/data/definitions/426.html.

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