FRV: Mark architecture orphaned

Mark the FRV architecture orphaned in the MAINTAINERS file.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

MAINTAINERS

@@ -4606,8 +4606,7 @@ F:	include/linux/f2fs_fs.h
 F:	include/trace/events/f2fs.h
 
 FUJITSU FR-V (FRV) PORT
-M:	David Howells <dhowells@redhat.com>
-S:	Maintained
+S:	Orphan
 F:	arch/frv/
 
 FUJITSU LAPTOP EXTRAS