These are currently mostly unused because we lack a proper audio driver
on Tegra210. However, enabling them makes sure that at least their probe
code paths are tested at runtime.
Signed-off-by: Sameer Pujar <spujar@nvidia.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>