Check for the 'drivers' and 'programs' directories additionally to the
ones that are already there.
Signed-off-by: David Horstmann <david.horstmann@arm.com>
We had 4 identical copies of the check_repo_path function. Replace them by a
single copy in the build_tree module where it naturally belongs.
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
