MAINTAINERS: Add Sony Helene TV tuner entry

I'm maintainer for Sony Helene tuner (drivers/media/dvb-frontends/helene.*)
Signed-off-by: Abylay Ospan <aospan@netup.ru>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

MAINTAINERS

@@ -7311,6 +7311,15 @@ S:	Supported
 F:	Documentation/devicetree/bindings/media/renesas,vsp1.txt
 F:	drivers/media/platform/vsp1/
 
+MEDIA DRIVERS FOR HELENE
+M:	Abylay Ospan <aospan@netup.ru>
+L:	linux-media@vger.kernel.org
+W:	https://linuxtv.org
+W:	http://netup.tv/
+T:	git git://linuxtv.org/media_tree.git
+S:	Supported
+F:	drivers/media/dvb-frontends/helene*
+
 MEDIA DRIVERS FOR ASCOT2E
 M:	Sergey Kozlov <serjk@netup.ru>
 M:	Abylay Ospan <aospan@netup.ru>