MAINTAINERS: Add new Industrial I/O subsystem location

Add the new out-of-staging IIO directory to the IIO MAINTAINERS file entry.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/MAINTAINERS b/MAINTAINERS
index 2dcfca8..4893026 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3384,6 +3384,7 @@
 M:	Jonathan Cameron <jic23@cam.ac.uk>
 L:	linux-iio@vger.kernel.org
 S:	Maintained
+F:	drivers/iio/
 F:	drivers/staging/iio/
 
 IKANOS/ADI EAGLE ADSL USB DRIVER