media: staging: media: atomisp: constify video_subdev structures

These structures are both stored in fields of v4l2_subdev_ops
structures, all of which are const, so these structures can be
const as well.

Done with the help of Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

drivers/staging/media/atomisp/i2c/ap1302.c

@@ -1098,7 +1098,7 @@ static const struct v4l2_ctrl_config ctrls[] = {
 	},
 };
 
-static struct v4l2_subdev_sensor_ops ap1302_sensor_ops = {
+static const struct v4l2_subdev_sensor_ops ap1302_sensor_ops = {
 	.g_skip_frames	= ap1302_g_skip_frames,
 };
 

drivers/staging/media/atomisp/i2c/mt9m114.c

@@ -1806,7 +1806,7 @@ static const struct v4l2_subdev_video_ops mt9m114_video_ops = {
 	.g_frame_interval = mt9m114_g_frame_interval,
 };
 
-static struct v4l2_subdev_sensor_ops mt9m114_sensor_ops = {
+static const struct v4l2_subdev_sensor_ops mt9m114_sensor_ops = {
 	.g_skip_frames	= mt9m114_g_skip_frames,
 };