This change adds a Devices abstraction to the CUDA image utilities. This
allows for checking whether a devices is selected, for example.
Signed-off-by: Evan Lezar <elezar@nvidia.com>
Since the creation of symlinks may include other libraries / folders
the ldcache should be updated AFTER the symlinks are created.
Signed-off-by: Evan Lezar <elezar@nvidia.com>