ASoC: rsnd: add sample code of reg-names

Current rsnd driver supports reg-names, and Audio DMAC peri peri.
This patch adds sample code for it.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
1 file changed