ASoC: Add __devinit/__devexit annotations at necessary places

Fix below build warning when CONFIG_HOTPLUG is not set.

  CC      sound/soc/codecs/alc5623.o
sound/soc/codecs/alc5623.c:1062: warning: ‘alc5623_i2c_remove’ defined but not used
  CC      sound/soc/codecs/alc5632.o
sound/soc/codecs/alc5632.c:1112: warning: ‘alc5632_i2c_remove’ defined but not used

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Leon Romanovsky <leon@leon.nu>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/codecs/alc5623.c

@@ -992,7 +992,7 @@ static struct snd_soc_codec_driver soc_codec_device_alc5623 = {
  *    low  = 0x1a
  *    high = 0x1b
  */
-static int alc5623_i2c_probe(struct i2c_client *client,
+static __devinit int alc5623_i2c_probe(struct i2c_client *client,
 				const struct i2c_device_id *id)
 {
 	struct alc5623_platform_data *pdata;
@@ -1059,7 +1059,7 @@ static int alc5623_i2c_probe(struct i2c_client *client,
 	return ret;
 }
 
-static int alc5623_i2c_remove(struct i2c_client *client)
+static __devexit int alc5623_i2c_remove(struct i2c_client *client)
 {
 	snd_soc_unregister_codec(&client->dev);
 	return 0;

sound/soc/codecs/alc5632.c

@@ -1109,7 +1109,7 @@ static __devinit int alc5632_i2c_probe(struct i2c_client *client,
 	return ret;
 }
 
-static int alc5632_i2c_remove(struct i2c_client *client)
+static __devexit int alc5632_i2c_remove(struct i2c_client *client)
 {
 	struct alc5632_priv *alc5632 = i2c_get_clientdata(client);
 	snd_soc_unregister_codec(&client->dev);