media: uapi: vp8: Fix kernel-doc warnings

Fix following warnings:

./scripts/kernel-doc --none include/uapi/linux/v4l2-controls.h

        include/uapi/linux/v4l2-controls.h:1727: warning: bad line:
        include/uapi/linux/v4l2-controls.h:1853: warning: expecting prototype for struct v4l2_vp8_frame. Prototype was for struct v4l2_ctrl_vp8_frame instead
        include/uapi/linux/v4l2-controls.h:1853: warning: Function parameter or member 'segment' not described in 'v4l2_ctrl_vp8_frame'
        include/uapi/linux/v4l2-controls.h:1853: warning: Function parameter or member 'entropy' not described in 'v4l2_ctrl_vp8_frame'
        include/uapi/linux/v4l2-controls.h:1853: warning: Function parameter or member 'coder_state' not described in 'v4l2_ctrl_vp8_frame'
Reported-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

include/uapi/linux/v4l2-controls.h

@@ -1728,7 +1728,7 @@ struct v4l2_vp8_loop_filter {
  * @uv_dc_delta: chroma DC delta value.
  * @uv_ac_delta: chroma AC delta value.
  * @padding: padding field. Should be zeroed by applications.
-
+ *
  * This structure contains the quantization indices present
  * in 'quant_indices()' part of the frame header syntax.
  * See section '9.6. Dequantization Indices' of the VP8 specification
@@ -1799,12 +1799,13 @@ struct v4l2_vp8_entropy_coder_state {
 
 #define V4L2_CID_STATELESS_VP8_FRAME (V4L2_CID_CODEC_STATELESS_BASE + 200)
 /**
- * struct v4l2_vp8_frame - VP8 frame parameters
+ * struct v4l2_ctrl_vp8_frame - VP8 frame parameters
  *
- * @seg: segmentation parameters. See &v4l2_vp8_segment for more details
+ * @segment: segmentation parameters. See &v4l2_vp8_segment for more details
  * @lf: loop filter parameters. See &v4l2_vp8_loop_filter for more details
  * @quant: quantization parameters. See &v4l2_vp8_quantization for more details
- * @probs: probabilities. See &v4l2_vp9_probabilities for more details
+ * @entropy: update probabilities. See &v4l2_vp8_entropy for more details
+ * @coder_state: boolean coder state. See &v4l2_vp8_entropy_coder_state for more details
  * @width: frame width.
  * @height: frame height.
  * @horizontal_scale: horizontal scaling factor.