ALSA: cmipci: Fix -Wformat-truncation warning

CMIPCI driver got compile warnings with -Wformat-truncation at a
couple of plain sprintf() usages.  Use scnprintf() for filling the
longname string for avoiding the warnings.

Link: https://lore.kernel.org/r/20230915082802.28684-13-tiwai@suse.deSigned-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/cmipci.c

@@ -3102,11 +3102,13 @@ static int snd_cmipci_create(struct snd_card *card, struct pci_dev *pci,
 	}
 	sprintf(card->shortname, "C-Media CMI%d", val);
 	if (cm->chip_version < 68)
-		sprintf(modelstr, " (model %d)", cm->chip_version);
+		scnprintf(modelstr, sizeof(modelstr),
+			  " (model %d)", cm->chip_version);
 	else
 		modelstr[0] = '\0';
-	sprintf(card->longname, "%s%s at %#lx, irq %i",
-		card->shortname, modelstr, cm->iobase, cm->irq);
+	scnprintf(card->longname, sizeof(card->longname),
+		  "%s%s at %#lx, irq %i",
+		  card->shortname, modelstr, cm->iobase, cm->irq);
 
 	if (cm->chip_version >= 39) {
 		val = snd_cmipci_read_b(cm, CM_REG_MPU_PCI + 1);