[media] media: videobuf2: Move timestamp to vb2_buffer

Move timestamp from struct vb2_v4l2_buffer to struct vb2_buffer
for common use, and change its type to u64 in order to handling
y2038 problem. This patch also includes all device drivers' changes related to
this restructuring.

Signed-off-by: Junghak Sung <jh1009.sung@samsung.com>
Signed-off-by: Geunyoung Kim <nenggun.kim@samsung.com>
Acked-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Acked-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
diff --git a/drivers/media/platform/s5p-jpeg/jpeg-core.c b/drivers/media/platform/s5p-jpeg/jpeg-core.c
index 30440b0..c3b13a6 100644
--- a/drivers/media/platform/s5p-jpeg/jpeg-core.c
+++ b/drivers/media/platform/s5p-jpeg/jpeg-core.c
@@ -2620,7 +2620,7 @@
 	}
 
 	dst_buf->timecode = src_buf->timecode;
-	dst_buf->timestamp = src_buf->timestamp;
+	dst_buf->vb2_buf.timestamp = src_buf->vb2_buf.timestamp;
 	dst_buf->flags &= ~V4L2_BUF_FLAG_TSTAMP_SRC_MASK;
 	dst_buf->flags |=
 		src_buf->flags & V4L2_BUF_FLAG_TSTAMP_SRC_MASK;
@@ -2751,7 +2751,7 @@
 	dst_buf = v4l2_m2m_dst_buf_remove(curr_ctx->fh.m2m_ctx);
 
 	dst_buf->timecode = src_buf->timecode;
-	dst_buf->timestamp = src_buf->timestamp;
+	dst_buf->vb2_buf.timestamp = src_buf->vb2_buf.timestamp;
 
 	v4l2_m2m_buf_done(src_buf, state);
 	if (curr_ctx->mode == S5P_JPEG_ENCODE)