MAINTAINERS: Add missing file entries for the USB video class driver

The USB video class driver is missing a few F: entries for files related
to the driver that have been added to the kernel over the years. Add
them.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

Author: pinchartl

MAINTAINERS

@@ -24442,7 +24442,11 @@ L:	linux-media@vger.kernel.org
 S:	Maintained
 W:	http://www.ideasonboard.org/uvc/
 T:	git git://linuxtv.org/media.git
+F:	Documentation/userspace-api/media/drivers/uvcvideo.rst
+F:	Documentation/userspace-api/media/v4l/metafmt-uvc.rst
+F:	drivers/media/common/uvc.c
 F:	drivers/media/usb/uvc/
+F:	include/linux/usb/uvc.h
 F:	include/uapi/linux/uvcvideo.h
 
 USB WEBCAM GADGET