MAINTAINERS: Add entry for tas571x ASoC codec driver

Add self as maintainer for the new driver.

Signed-off-by: Kevin Cernekee <[e-mail]>
Signed-off-by: Mark Brown <[e-mail]>

MAINTAINERS

···
 S:	Maintained
 F:	drivers/net/ethernet/ti/netcp*
 
+TI TAS571X FAMILY ASoC CODEC DRIVER
+M:	Kevin Cernekee <[e-mail]>
+L:	[e-mail] (moderated for non-subscribers)
+S:	Odd Fixes
+F:	sound/soc/codecs/tas571x*
+
 TI TWL4030 SERIES SOC CODEC DRIVER
 M:	Peter Ujfalusi <[e-mail]>
 L:	[e-mail] (moderated for non-subscribers)