MAINTAINERS: update drm tree

Mail to dri-devel went out, linux-next was updated, but we forgot this
one here.

Cc: David Airlie <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>
Acked-by: Alex Deucher <[email protected]>
Acked-by: Rodrigo Vivi <[email protected]>
Signed-off-by: Dave Airlie <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]

Author: danvet

MAINTAINERS

@@ -581,7 +581,7 @@ W:	https://www.infradead.org/~dhowells/kafs/
 
 AGPGART DRIVER
 M:	David Airlie <[email protected]>
-T:	git git://people.freedesktop.org/~airlied/linux (part of drm maint)
+T:	git git://anongit.freedesktop.org/drm/drm
 S:	Maintained
 F:	drivers/char/agp/
 F:	include/linux/agp*
@@ -4630,7 +4630,7 @@ F:	include/uapi/drm/vmwgfx_drm.h
 DRM DRIVERS
 M:	David Airlie <[email protected]>
 L:	[email protected]
-T:	git git://people.freedesktop.org/~airlied/linux
+T:	git git://anongit.freedesktop.org/drm/drm
 B:	https://bugs.freedesktop.org/
 C:	irc://chat.freenode.net/dri-devel
 S:	Maintained