[ALSA] Fix __devinit and __devexit issues with sound drivers

Fix __devinit and __devexit issues with sound drivers.
Resolves MODPOST warnings similar to:
WARNING: sound/drivers/snd-dummy.o - Section mismatch: reference to .init.text:snd_dummy_probe from .data.rel.local between 'snd_dummy_driver' (at offset 0x0) and 'snd_dummy_controls'
WARNING: sound/drivers/snd-mtpav.o - Section mismatch: reference to .init.text:snd_mtpav_probe from .data.rel.local between 'snd_mtpav_driver' (at offset 0x0) and 'snd_mtpav_input'
WARNING: sound/drivers/snd-virmidi.o - Section mismatch: reference to .init.text:snd_virmidi_probe from .data.rel.local after 'snd_virmidi_driver' (at offset 0x0)

Signed-off-by: Prarit Bhargava <prarit@redhat.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
diff --git a/sound/isa/cmi8330.c b/sound/isa/cmi8330.c
index d1f6dfc..c09a800 100644
--- a/sound/isa/cmi8330.c
+++ b/sound/isa/cmi8330.c
@@ -574,7 +574,7 @@
 	return 0;
 }
 
-static int snd_cmi8330_nonpnp_remove(struct platform_device *devptr)
+static int __devexit snd_cmi8330_nonpnp_remove(struct platform_device *devptr)
 {
 	snd_card_free(platform_get_drvdata(devptr));
 	platform_set_drvdata(devptr, NULL);
@@ -597,7 +597,7 @@
 
 static struct platform_driver snd_cmi8330_driver = {
 	.probe		= snd_cmi8330_nonpnp_probe,
-	.remove		= snd_cmi8330_nonpnp_remove,
+	.remove		= __devexit_p(snd_cmi8330_nonpnp_remove),
 #ifdef CONFIG_PM
 	.suspend	= snd_cmi8330_nonpnp_suspend,
 	.resume		= snd_cmi8330_nonpnp_resume,