media: atmel: atmel-isc: remove redundant comments

Remove duplicate comments which are already in place before the struct
definition.
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

drivers/media/platform/atmel/atmel-isc.h

@@ -272,7 +272,7 @@ struct isc_device {
 	struct video_device	video_dev;
 
 	struct vb2_queue	vb2_vidq;
-	spinlock_t		dma_queue_lock; /* serialize access to dma queue */
+	spinlock_t		dma_queue_lock;
 	struct list_head	dma_queue;
 	struct isc_buffer	*cur_frm;
 	unsigned int		sequence;
@@ -289,8 +289,8 @@ struct isc_device {
 	struct isc_ctrls	ctrls;
 	struct work_struct	awb_work;
 
-	struct mutex		lock; /* serialize access to file operations */
-	spinlock_t		awb_lock; /* serialize access to DMA buffers from awb work queue */
+	struct mutex		lock;
+	spinlock_t		awb_lock;
 
 	struct regmap_field	*pipeline[ISC_PIPE_LINE_NODE_NUM];