ALSA: Fix invalid __exit in sound/mips/*.c

The remove callback has to be marked as __devexit, as the dynamic unbind
is possible.
Reported-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/mips/hal2.c

@@ -915,7 +915,7 @@ static int __devinit hal2_probe(struct platform_device *pdev)
 	return 0;
 }
 
-static int __exit hal2_remove(struct platform_device *pdev)
+static int __devexit hal2_remove(struct platform_device *pdev)
 {
 	struct snd_card *card = platform_get_drvdata(pdev);
 

sound/mips/sgio2audio.c

@@ -973,7 +973,7 @@ static int __devinit snd_sgio2audio_probe(struct platform_device *pdev)
 	return 0;
 }
 
-static int __exit snd_sgio2audio_remove(struct platform_device *pdev)
+static int __devexit snd_sgio2audio_remove(struct platform_device *pdev)
 {
 	struct snd_card *card = platform_get_drvdata(pdev);