Add missing .owner of struct snd_soc_card. This prevents the module from being
removed from underneath its users.
Reported-by: Lothar Waßmann <LW@KARO-electronics.de>
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
 
 static struct snd_soc_card db1000_ac97 = {
        .name           = "DB1000_AC97",
+       .owner          = THIS_MODULE,
        .dai_link       = &db1000_ac97_dai,
        .num_links      = 1,
 };
 
 
 static struct snd_soc_card db1200_ac97_machine = {
        .name           = "DB1200_AC97",
+       .owner          = THIS_MODULE,
        .dai_link       = &db1200_ac97_dai,
        .num_links      = 1,
 };
 
 static struct snd_soc_card db1200_i2s_machine = {
        .name           = "DB1200_I2S",
+       .owner          = THIS_MODULE,
        .dai_link       = &db1200_i2s_dai,
        .num_links      = 1,
 };