ASoC: simple_card_utils.c: use asoc_dummy_dlc

Now we can share asoc_dummy_dlc. This patch use it.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87ttx6ypi3.wl-kuninori.morimoto.gx@renesas.com


Signed-off-by: Mark Brown <broonie@kernel.org>