[ALSA] Add the vendor 0x1558 to PM whitelist of es1968

ES1968 driver
Added the vendor id 0x1558 to the power management whitelist of es1968 driver.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/es1968.c

@@ -2559,6 +2559,7 @@ static struct ess_device_list pm_whitelist[] __devinitdata = {
 	{ TYPE_MAESTRO2E, 0x103c },
 	{ TYPE_MAESTRO2E, 0x1179 },
 	{ TYPE_MAESTRO2E, 0x14c0 },	/* HP omnibook 4150 */
+	{ TYPE_MAESTRO2E, 0x1558 },
 };
 
 static struct ess_device_list mpu_blacklist[] __devinitdata = {