ASoC: soc-core: move snd_soc_unbind_card() next to snd_soc_bind_card()

To makes code readable, this patch moves snd_soc_unbind_card() next
to snd_soc_bind_card().

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87pnhw4lu5.wl-kuninori.morimoto.gx@renesas.com


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