[ALSA] powermac - Fix typos

The kernel build fails, with following error
  CC      sound/ppc/tumbler.o
sound/ppc/tumbler.c: In function ‘snapper_get_capture_source’:
sound/ppc/tumbler.c:812: error: ‘union <anonymous>’ has no member named ‘value’
sound/ppc/tumbler.c: In function ‘snapper_put_capture_source’:
sound/ppc/tumbler.c:824: error: ‘union <anonymous>’ has no member named ‘enuemerated’
make[2]: *** [sound/ppc/tumbler.o] Error 1
make[1]: *** [sound/ppc] Error 2
make: *** [sound] Error 2

Signed-off-by: Kamalesh Babulal <kamalesh@linx.vnet.ibm.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>

sound/ppc/tumbler.c

@@ -809,7 +809,7 @@ static int snapper_get_capture_source(struct snd_kcontrol *kcontrol,
 	struct pmac_tumbler *mix = chip->mixer_data;
 
 	snd_assert(mix, return -ENODEV);
-	ucontrol->value.enumerated.value[0] = mix->capture_source;
+	ucontrol->value.enumerated.item[0] = mix->capture_source;
 	return 0;
 }
 
@@ -821,7 +821,7 @@ static int snapper_put_capture_source(struct snd_kcontrol *kcontrol,
 	int change;
 
 	snd_assert(mix, return -ENODEV);
-	change = ucontrol->value.enuemerated.item[0] != mix->capture_source;
+	change = ucontrol->value.enumerated.item[0] != mix->capture_source;
 	if (change) {
 		mix->capture_source = !!ucontrol->value.enumerated.item[0];
 		snapper_set_capture_source(mix);