drm/amd/display: Address 'srf_updates' not described in 'could_mpcc_tree_change_for_active_pipes'

Fixes the following:

drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc.c:3928: warning: Function parameter or member 'srf_updates' not described in 'could_mpcc_tree_change_for_active_pipes'

Cc: Harry Wentland <harry.wentland@amd.com>
Cc: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Cc: Aurabindo Pillai <aurabindo.pillai@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/core/dc.c

@@ -3906,6 +3906,7 @@ static void commit_planes_for_stream(struct dc *dc,
  *
  * @dc: Used to get the current state status
  * @stream: Target stream, which we want to remove the attached planes
+ * @srf_updates: Array of surface updates
  * @surface_count: Number of surface update
  * @is_plane_addition: [in] Fill out with true if it is a plane addition case
  *