scripting: modified all paths to use underscores

For consistency, we want to maintain an enum that can be used to specify
linux repositories and database tables.

BUG=None
TEST=None

Change-Id: I9456dc44025afd461fd43423fec41acccd154742
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/dev-util/+/2084015
Reviewed-by: Curtis Malainey <cujomalainey@chromium.org>
Commit-Queue: Hirthanan Subenderan <hirthanan@google.com>
Tested-by: Hirthanan Subenderan <hirthanan@google.com>
7 files changed