[ALSA] ice1712 - Fix wrong register value for DMX 6FIRE

I have just discovered I made an error in the register value set in 'Limit
dmx6fire to 6 dacs' patch (bug1472).  The value set should be '2a' not '0a'
as in the original patch, which unintentionally disables the 2nd MPU 401
UART.
Signed-off-by: Alan Horstmann <gineera@aspect135.co.uk>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/ice1712/ice1712.c

@@ -2402,7 +2402,7 @@ static int __devinit snd_ice1712_chip_init(struct snd_ice1712 *ice)
 	if (ice->eeprom.subvendor == ICE1712_SUBDEVICE_DMX6FIRE && !ice->dxr_enable) {
                 /* Limit active ADCs and DACs to 6;  */
                 /* Note: DXR extension not supported */
-		pci_write_config_byte(ice->pci, 0x60, 0x0a);
+		pci_write_config_byte(ice->pci, 0x60, 0x2a);
 	} else {
 		pci_write_config_byte(ice->pci, 0x60, ice->eeprom.data[ICE_EEP1_CODEC]);
 	}