MAINTAINERS: add Mediatek shutdown drivers

add Section in MAINTAINERS file for poweroff driver
Signed-off-by: Josef Friedl <josef.friedl@speed.at>
Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

MAINTAINERS

@@ -10266,6 +10266,13 @@ S:	Maintained
 F:	drivers/net/dsa/mt7530.*
 F:	net/dsa/tag_mtk.c
 
+MEDIATEK BOARD LEVEL SHUTDOWN DRIVERS
+M:	Sean Wang <sean.wang@mediatek.com>
+L:	linux-pm@vger.kernel.org
+S:	Maintained
+F:	Documentation/devicetree/bindings/power/reset/mt6323-poweroff.txt
+F:	drivers/power/reset/mt6323-poweroff.c
+
 MEDIATEK JPEG DRIVER
 M:	Rick Chang <rick.chang@mediatek.com>
 M:	Bin Liu <bin.liu@mediatek.com>