[chapel-lang/chapel] Source to setup correct cmake version for LLVM on

Branch: refs/heads/master
Revision: 4a6ae9b
Author: e-kayrakli
Log Message:

Merge pull request #16257 from e-kayrakli/source-cmake-on-cs

Source to setup correct cmake version for LLVM on CS

The version of cmake we have on the CS system that we recently
started using for correctness test is lower than what LLVM needs.
The typical path we have for higher cmake version is no
accessible on that system. This PR adds the new path.

[Reviewed by @ronawho]

Modified Files:
M util/cron/common-llvm.bash

Compare: https://github.com/chapel-lang/chapel/compare/97ebb5dc417f...4a6ae9b0e431