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>
diff --git a/MAINTAINERS b/MAINTAINERS
index c7cecb9..6a30a53 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -8935,6 +8935,7 @@
 
 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