MAINTAINERS: Add Jernej Škrabec as a reviewer for DE2

The newer Allwinner SoCs have a different layers controller than the older
ones. Jernej wrote that support and has been reviewing patches for a while
now, so let's make him a formal reviewer.
Reviewed-by: Jernej Skrabec <jernej.skrabec@siol.net>
Signed-off-by: Maxime Ripard <mripard@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190919173020.11655-2-mripard@kernel.org

MAINTAINERS

@@ -5332,6 +5332,15 @@ F:	drivers/gpu/drm/sun4i/
 F:	Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt
 T:	git git://anongit.freedesktop.org/drm/drm-misc
 
+DRM DRIVER FOR ALLWINNER DE2 AND DE3 ENGINE
+M:	Maxime Ripard <mripard@kernel.org>
+M:	Chen-Yu Tsai <wens@csie.org>
+R:	Jernej Skrabec <jernej.skrabec@siol.net>
+L:	dri-devel@lists.freedesktop.org
+S:	Supported
+F:	drivers/gpu/drm/sun4i/sun8i*
+T:	git git://anongit.freedesktop.org/drm/drm-misc
+
 DRM DRIVERS FOR AMLOGIC SOCS
 M:	Neil Armstrong <narmstrong@baylibre.com>
 L:	dri-devel@lists.freedesktop.org