The src4xxx keyword is used for	future capability to integrate
other codecs similar to the src4392 to the same	code base.
Signed-off-by: Matt Flax <flatmax@flatmax.com>
Link: https://lore.kernel.org/r/20220810013213.1544645-1-flatmax@flatmax.comSigned-off-by: Mark Brown <broonie@kernel.org>