[media] MAINTAINERS: fix Documentation/video4linux/saa7134/

That directory never existed. The intention was probably to match
CARDLIST.saa7134 and README.saa7134.
Signed-off-by: NCesar Eduardo Barros <cesarb@cesarb.net>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

MAINTAINERS

@@ -6771,7 +6771,7 @@ L:	linux-media@vger.kernel.org
 W:	http://linuxtv.org
 T:	git git://linuxtv.org/media_tree.git
 S:	Odd fixes
-F:	Documentation/video4linux/saa7134/
+F:	Documentation/video4linux/*.saa7134
 F:	drivers/media/pci/saa7134/
 
 SAA7146 VIDEO4LINUX-2 DRIVER