media: MAINTAINERS: VSP1: Add co-maintainer

Add myself as a co-maintainer for the Renesas VSP driver.
Signed-off-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

MAINTAINERS

@@ -9096,6 +9096,7 @@ F:	drivers/media/platform/rcar-vin/
 
 MEDIA DRIVERS FOR RENESAS - VSP1
 M:	Laurent Pinchart <laurent.pinchart@ideasonboard.com>
+M:	Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
 L:	linux-media@vger.kernel.org
 L:	linux-renesas-soc@vger.kernel.org
 T:	git git://linuxtv.org/media_tree.git