MAINTAINERS: add maintainer for i.MX DRM driver

Add myself as the maintainer of the i.MX DRM driver.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index 3c69a3c7..b29325d 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3202,6 +3202,13 @@
 F:	include/drm/exynos*
 F:	include/uapi/drm/exynos*
 
+DRM DRIVERS FOR FREESCALE IMX
+M:	Philipp Zabel <p.zabel@pengutronix.de>
+L:	dri-devel@lists.freedesktop.org
+S:	Maintained
+F:	drivers/gpu/drm/imx/
+F:	Documentation/devicetree/bindings/drm/imx/
+
 DRM DRIVERS FOR NVIDIA TEGRA
 M:	Thierry Reding <thierry.reding@gmail.com>
 M:	Terje Bergström <tbergstrom@nvidia.com>