ASoC: Add adau* drivers to the Analog Devices file patterns

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Acked-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/MAINTAINERS b/MAINTAINERS
index 29801f7..2406e0d 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -533,6 +533,7 @@
 L:	alsa-devel@alsa-project.org (moderated for non-subscribers)
 W:	http://wiki.analog.com/
 S:	Supported
+F:	sound/soc/codecs/adau*
 F:	sound/soc/codecs/ad1*
 F:	sound/soc/codecs/ssm*