ci: run_ci.sh: make script run locally

Allow running script locally. For example, on a local tree with local
changes:

./scripts/ci/run_ci.sh -b master -r upstream  -l

This will be have the same way as in CI and creates a test manifest
based on changes.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
1 file changed