This change uses the GetLibrary().Lookup() function in the nvml package
to check whether a particular function is available. This avoids
the need to explicitly open a library, for example.
Signed-off-by: Evan Lezar <elezar@nvidia.com>
There is a default implementation for these that is overwritten if the
underlying NVML library ends up being used.
Signed-off-by: Kevin Klues <kklues@nvidia.com>
