[ALSA] more section mismatches

Something about __init_or_module isn't working as expected (?).
CONFIG_HOTPLUG=y
CONFIG_MODULES=n
Fix shared init/exit code helper:
WARNING: sound/built-in.o(.exit.text+0x243): Section mismatch: reference to .init.text: (between 'alsa_card_mpu401_exit' and 'ac97_bus_exit')
WARNING: sound/built-in.o(.exit.text+0x21b): Section mismatch: reference to .init.text: (between 'alsa_card_dummy_exit' and 'alsa_card_serial_exit')
Signed-off-by: NRandy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: NTakashi Iwai <tiwai@suse.de>
Signed-off-by: NJaroslav Kysela <perex@suse.cz>

sound/drivers/dummy.c

@@ -659,7 +659,7 @@ static struct platform_driver snd_dummy_driver = {
 	},
 };
 
-static void __init_or_module snd_dummy_unregister_all(void)
+static void snd_dummy_unregister_all(void)
 {
 	int i;
 

sound/drivers/mpu401/mpu401.c

@@ -228,7 +228,7 @@ static struct pnp_driver snd_mpu401_pnp_driver = {
 static struct pnp_driver snd_mpu401_pnp_driver;
 #endif
 
-static void __init_or_module snd_mpu401_unregister_all(void)
+static void snd_mpu401_unregister_all(void)
 {
 	int i;