drm/dp: Fix documentation warning

It fixes the following warnings when
the kernel documentation is generated:

./include/drm/display/drm_dp_helper.h:126:
warning: Function parameter or struct member
'mode' not described in 'drm_dp_as_sdp'

./include/drm/display/drm_dp_helper.h:126:
warning: Excess struct member 'operation_mode'
description in 'drm_dp_as_sdp'
Signed-off-by: MarileneGarcia <marilene.agarcia@gmail.com>
Fixes: 0bbb8f59 ("drm/dp: Add Adaptive Sync SDP logging")
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Closes: https://lore.kernel.org/r/20240405141640.09b0bdbf@canb.auug.org.auReviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240519031027.433751-1-marilene.agarcia@gmail.com

include/drm/display/drm_dp_helper.h

@@ -112,7 +112,7 @@ struct drm_dp_vsc_sdp {
  * @target_rr: Target Refresh
  * @duration_incr_ms: Successive frame duration increase
  * @duration_decr_ms: Successive frame duration decrease
- * @operation_mode: Adaptive Sync Operation Mode
+ * @mode: Adaptive Sync Operation Mode
  */
 struct drm_dp_as_sdp {
 	unsigned char sdp_type;