Call iio_backend_debugfs_add() to add (if available) the backend debug
interface.
Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://patch.msgid.link/20240806-dev-backend-dac-direct-reg-access-v1-2-b84a6e8ee8a0@analog.comSigned-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>