[media] soc_camera: constify v4l2_subdev_sensor_ops structures

The v4l2_subdev_sensor_ops structures are never modified, so declare them
as const.

Done with the help of Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

drivers/media/i2c/soc_camera/mt9m001.c

@@ -632,7 +632,7 @@ static struct v4l2_subdev_video_ops mt9m001_subdev_video_ops = {
 	.s_mbus_config	= mt9m001_s_mbus_config,
 };
 
-static struct v4l2_subdev_sensor_ops mt9m001_subdev_sensor_ops = {
+static const struct v4l2_subdev_sensor_ops mt9m001_subdev_sensor_ops = {
 	.g_skip_top_lines	= mt9m001_g_skip_top_lines,
 };
 

drivers/media/i2c/soc_camera/mt9t031.c

@@ -728,7 +728,7 @@ static struct v4l2_subdev_video_ops mt9t031_subdev_video_ops = {
 	.s_mbus_config	= mt9t031_s_mbus_config,
 };
 
-static struct v4l2_subdev_sensor_ops mt9t031_subdev_sensor_ops = {
+static const struct v4l2_subdev_sensor_ops mt9t031_subdev_sensor_ops = {
 	.g_skip_top_lines	= mt9t031_g_skip_top_lines,
 };
 

drivers/media/i2c/soc_camera/mt9v022.c

@@ -860,7 +860,7 @@ static struct v4l2_subdev_video_ops mt9v022_subdev_video_ops = {
 	.s_mbus_config	= mt9v022_s_mbus_config,
 };
 
-static struct v4l2_subdev_sensor_ops mt9v022_subdev_sensor_ops = {
+static const struct v4l2_subdev_sensor_ops mt9v022_subdev_sensor_ops = {
 	.g_skip_top_lines	= mt9v022_g_skip_top_lines,
 };