[ALSA] emu10k1 - Don't create emu1010 controls for non-emu boards

The last change for emu1616 introduced a bug that the driver creates
emu1010-related controls even on non-emu boards.  Fixed now.
Signed-off-by: NTakashi Iwai <tiwai@suse.de>
Signed-off-by: NJaroslav Kysela <perex@perex.cz>

sound/pci/emu10k1/emumixer.c

@@ -2026,7 +2026,7 @@ int __devinit snd_emu10k1_mixer(struct snd_emu10k1 *emu,
 		if (err < 0)
 			return err;
 
-	} else {
+	} else if (emu->card_capabilities->emu_model) {
 		/* all other e-mu cards for now */
 		int i;