ALSA: es968: fix wrong PnP dma index

There is only one dma for the ESS ES968 based board.
Its index is 0 and not 1.

This make the es968 card working.
Signed-off-by: NKrzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: NTakashi Iwai <tiwai@suse.de>

sound/isa/sb/es968.c

@@ -93,7 +93,7 @@ static int __devinit snd_card_es968_pnp(int dev, struct snd_card_es968 *acard,
 		return err;
 	}
 	port[dev] = pnp_port_start(pdev, 0);
-	dma8[dev] = pnp_dma(pdev, 1);
+	dma8[dev] = pnp_dma(pdev, 0);
 	irq[dev] = pnp_irq(pdev, 0);
 
 	return 0;