MAINTAINERS: update vmwgfx info

Roland will be focusing on lavapipe over the next few months and
won't have time for vmwgfx.
vmwgfx is now maintained within drm-misc.

Signed-off-by: Zack Rusin <[e-mail]>
Reviewed-by: Roland Scheidegger <[e-mail]>
Acked-by: Alex Deucher <[e-mail]>
Link: https://patchwork.freedesktop.org/patch/msgid/[e-mail]

MAINTAINERS

···
 
 DRM DRIVER FOR VMWARE VIRTUAL GPU
 M:	"VMware Graphics" <[e-mail]>
-M:	Roland Scheidegger <[e-mail]>
 M:	Zack Rusin <[e-mail]>
 L:	[e-mail]
 S:	Supported
-T:	git git://people.freedesktop.org/~sroland/linux
+T:	git git://anongit.freedesktop.org/drm/drm-misc
 F:	drivers/gpu/drm/vmwgfx/
 F:	include/uapi/drm/vmwgfx_drm.h