[media] v4l: xilinx: Add Test Pattern Generator driver

The TPG generates multiple static or dynamic test patterns. The driver
currently hardcodes the pattern to the moving box pattern.

Signed-off-by: Christian Kohn <christian.kohn@xilinx.com>
Signed-off-by: Hyun Kwon <hyun.kwon@xilinx.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index ca3b263..30e7e38 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -10826,6 +10826,7 @@
 S:	Supported
 F:	Documentation/devicetree/bindings/media/xilinx/
 F:	drivers/media/platform/xilinx/
+F:	include/uapi/linux/xilinx-v4l2-controls.h
 
 XILLYBUS DRIVER
 M:	Eli Billauer <eli.billauer@gmail.com>