ASoC: atmel: Add .owner to struct snd_soc_card

Missed .owner of struct snd_soc_card will prevent the module from being
removed from underneath its users.
Reported-by: NLothar Waßmann <LW@KARO-electronics.de>
Signed-off-by: NAxel Lin <axel.lin@gmail.com>
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/atmel/sam9g20_wm8731.c

@@ -189,6 +189,7 @@ static struct snd_soc_dai_link at91sam9g20ek_dai = {
 
 static struct snd_soc_card snd_soc_at91sam9g20ek = {
 	.name = "AT91SAMG20-EK",
+	.owner = THIS_MODULE,
 	.dai_link = &at91sam9g20ek_dai,
 	.num_links = 1,
 	.set_bias_level = at91sam9g20ek_set_bias_level,

sound/soc/atmel/snd-soc-afeb9260.c

@@ -135,6 +135,7 @@ static struct snd_soc_dai_link afeb9260_dai = {
 /* Audio machine driver */
 static struct snd_soc_card snd_soc_machine_afeb9260 = {
 	.name = "AFEB9260",
+	.owner = THIS_MODULE,
 	.dai_link = &afeb9260_dai,
 	.num_links = 1,
 };