MAINTAINERS: Update UBIFS entry

...to represent the status quo.
Signed-off-by: NRichard Weinberger <richard@nod.at>
Acked-by: NArtem Bityutskiy <artem.bityutskiy@linux.intel.com>

MAINTAINERS

@@ -11249,12 +11249,13 @@ S:	Maintained
 F:	drivers/scsi/u14-34f.c
 
 UBI FILE SYSTEM (UBIFS)
+M:	Richard Weinberger <richard@nod.at>
 M:	Artem Bityutskiy <dedekind1@gmail.com>
 M:	Adrian Hunter <adrian.hunter@intel.com>
 L:	linux-mtd@lists.infradead.org
 T:	git git://git.infradead.org/ubifs-2.6.git
 W:	http://www.linux-mtd.infradead.org/doc/ubifs.html
-S:	Maintained
+S:	Supported
 F:	Documentation/filesystems/ubifs.txt
 F:	fs/ubifs/