iio: hx711: add maintainer for driver

add a maintainer for driver hx711
Signed-off-by: Andreas Klinger <ak@it-klinger.de>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

MAINTAINERS

@@ -2545,6 +2545,13 @@ S:	Maintained
 F:	drivers/auxdisplay/
 F:	include/linux/cfag12864b.h
 
+AVIA HX711 ANALOG DIGITAL CONVERTER IIO DRIVER
+M:	Andreas Klinger <ak@it-klinger.de>
+L:	linux-iio@vger.kernel.org
+S:	Maintained
+F:	Documentation/devicetree/bindings/iio/adc/avia-hx711.txt
+F:	drivers/iio/adc/hx711.c
+
 AX.25 NETWORK LAYER
 M:	Ralf Baechle <ralf@linux-mips.org>
 L:	linux-hams@vger.kernel.org