For U-Boot we allow a GPIO to be specified to enable the codec. Add this
to the relevant binding files.
Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Warren <twarren@nvidia.com>
This file was missed when adding the sound driver to U-Boot. Bring it in
from Linux 5.0.
Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Tom Warren <twarren@nvidia.com>