MAINTAINERS: sun4i-drm is now maintained in drm-misc

sun4i-drm is maintained in drm-misc as a small driver.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20170908194039.882-1-maxime.ripard@free-electrons.com

MAINTAINERS

@@ -4449,7 +4449,7 @@ L:	dri-devel@lists.freedesktop.org
 S:	Supported
 F:	drivers/gpu/drm/sun4i/
 F:	Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt
-T:	git git://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux.git
+T:	git git://anongit.freedesktop.org/drm/drm-misc
 
 DRM DRIVERS FOR AMLOGIC SOCS
 M:	Neil Armstrong <narmstrong@baylibre.com>