MAINTAINERS: remove Stefan Popa's email

The email is no longer active. This change removes Stefan's email from the
MAINTAINERS list and replaces it with Michael Hennerich's.

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

MAINTAINERS

@@ -552,7 +552,7 @@ F:	drivers/input/misc/adxl34x.c
 F:	Documentation/devicetree/bindings/iio/accel/adi,adxl345.yaml
 ADXL372 THREE-AXIS DIGITAL ACCELEROMETER DRIVER
-M:	Stefan Popa <stefan.popa@analog.com>
+M:	Michael Hennerich <michael.hennerich@analog.com>
 W:	http://ez.analog.com/community/linux-device-drivers
 S:	Supported
 F:	drivers/iio/accel/adxl372.c
@@ -900,7 +900,7 @@ F:	drivers/net/ethernet/amd/xgbe/
 F:	arch/arm64/boot/dts/amd/amd-seattle-xgbe*.dtsi
 ANALOG DEVICES INC AD5686 DRIVER
-M:	Stefan Popa <stefan.popa@analog.com>
+M:	Michael Hennerich <Michael.Hennerich@analog.com>
 L:	linux-pm@vger.kernel.org
 W:	http://ez.analog.com/community/linux-device-drivers
 S:	Supported
@@ -908,7 +908,7 @@ F:	drivers/iio/dac/ad5686*
 F:	drivers/iio/dac/ad5696*
 ANALOG DEVICES INC AD5758 DRIVER
-M:	Stefan Popa <stefan.popa@analog.com>
+M:	Michael Hennerich <Michael.Hennerich@analog.com>
 L:	linux-iio@vger.kernel.org
 W:	http://ez.analog.com/community/linux-device-drivers
 S:	Supported
@@ -924,7 +924,7 @@ F:	drivers/iio/adc/ad7091r5.c
 F:	Documentation/devicetree/bindings/iio/adc/adi,ad7091r5.yaml
 ANALOG DEVICES INC AD7124 DRIVER
-M:	Stefan Popa <stefan.popa@analog.com>
+M:	Michael Hennerich <Michael.Hennerich@analog.com>
 L:	linux-iio@vger.kernel.org
 W:	http://ez.analog.com/community/linux-device-drivers
 S:	Supported
@@ -948,7 +948,7 @@ F:	drivers/iio/adc/ad7292.c
 F:	Documentation/devicetree/bindings/iio/adc/adi,ad7292.yaml
 ANALOG DEVICES INC AD7606 DRIVER
-M:	Stefan Popa <stefan.popa@analog.com>
+M:	Michael Hennerich <Michael.Hennerich@analog.com>
 M:	Beniamin Bia <beniamin.bia@analog.com>
 L:	linux-iio@vger.kernel.org
 W:	http://ez.analog.com/community/linux-device-drivers
@@ -957,7 +957,7 @@ F:	drivers/iio/adc/ad7606.c
 F:	Documentation/devicetree/bindings/iio/adc/adi,ad7606.yaml
 ANALOG DEVICES INC AD7768-1 DRIVER
-M:	Stefan Popa <stefan.popa@analog.com>
+M:	Michael Hennerich <Michael.Hennerich@analog.com>
 L:	linux-iio@vger.kernel.org
 W:	http://ez.analog.com/community/linux-device-drivers
 S:	Supported
@@ -1018,7 +1018,7 @@ F:	drivers/hwmon/adm1177.c
 F:	Documentation/devicetree/bindings/hwmon/adi,adm1177.yaml
 ANALOG DEVICES INC ADP5061 DRIVER
-M:	Stefan Popa <stefan.popa@analog.com>
+M:	Michael Hennerich <Michael.Hennerich@analog.com>
 L:	linux-pm@vger.kernel.org
 W:	http://ez.analog.com/community/linux-device-drivers
 S:	Supported
@@ -1078,7 +1078,6 @@ F:	drivers/dma/dma-axi-dmac.c
 ANALOG DEVICES INC IIO DRIVERS
 M:	Lars-Peter Clausen <lars@metafoo.de>
 M:	Michael Hennerich <Michael.Hennerich@analog.com>
-M:	Stefan Popa <stefan.popa@analog.com>
 W:	http://wiki.analog.com/
 W:	http://ez.analog.com/community/linux-device-drivers
 S:	Supported