MAINTAINERS: Add entry for VKMS

Add maintainers and reviewers for VKMS driver
Signed-off-by: Rodrigo Siqueira <rodrigosiqueiramelo@gmail.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20190113204038.bvdc6d5tyxjz6bzf@smtp.gmail.com

MAINTAINERS

@@ -4925,6 +4925,16 @@ S:	Odd Fixes
 F:	drivers/gpu/drm/udl/
 T:	git git://anongit.freedesktop.org/drm/drm-misc
 
+DRM DRIVER FOR VIRTUAL KERNEL MODESETTING (VKMS)
+M:	Rodrigo Siqueira <rodrigosiqueiramelo@gmail.com>
+R:	Haneen Mohammed <hamohammed.sa@gmail.com>
+R:	Daniel Vetter <daniel@ffwll.ch>
+T:	git git://anongit.freedesktop.org/drm/drm-misc
+S:	Maintained
+L:	dri-devel@lists.freedesktop.org
+F:	drivers/gpu/drm/vkms/
+F:	Documentation/gpu/vkms.rst
+
 DRM DRIVER FOR VMWARE VIRTUAL GPU
 M:	"VMware Graphics" <linux-graphics-maintainer@vmware.com>
 M:	Thomas Hellstrom <thellstrom@vmware.com>