Add another mode 'extract' to regression script
Add another mode 'extract' to regression script

The logs that are downloaded from the CI builds are multiple tarballs
wrapped in another tarball which in turn is wrapped with zip. Automating
the process of log update from a downloaded zipped file with a new mode
in regression script. Usage

regression.py extract --archive-path <> [--filters <>]

alainmarcel/Surelog,chipsalliance/Surelog,alainmarcel/Surelog,alainmarcel/Surelog,chipsalliance/Surelog,chipsalliance/Surelog,alainmarcel/Surelog,chipsalliance/Surelog