drm/loongson: Mark driver as orphaned

The maintainer's email address has been bouncing for months. Mark the
loongson DRM driver as orphaned.

Signed-off-by: Thomas Zimmermann <[email protected]>
Acked-by: Maxime Ripard <[email protected]>
Link: https://patch.msgid.link/[email protected]

Author: tdz

MAINTAINERS

@@ -8630,9 +8630,8 @@ F:	drivers/gpu/drm/lima/
 F:	include/uapi/drm/lima_drm.h
 
 DRM DRIVERS FOR LOONGSON
-M:	Sui Jingfeng <[email protected]>
 L:	[email protected]
-S:	Supported
+S:	Orphan
 T:	git https://gitlab.freedesktop.org/drm/misc/kernel.git
 F:	drivers/gpu/drm/loongson/