ASoC: Set missing card owner field

Set the card owner field to prevent the module from being removed from
underneath its users.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/sound/soc/mediatek/mt8173-max98090.c b/sound/soc/mediatek/mt8173-max98090.c
index 4d44b58..fb8f97e 100644
--- a/sound/soc/mediatek/mt8173-max98090.c
+++ b/sound/soc/mediatek/mt8173-max98090.c
@@ -139,6 +139,7 @@
 
 static struct snd_soc_card mt8173_max98090_card = {
 	.name = "mt8173-max98090",
+	.owner = THIS_MODULE,
 	.dai_link = mt8173_max98090_dais,
 	.num_links = ARRAY_SIZE(mt8173_max98090_dais),
 	.controls = mt8173_max98090_controls,