drm/msm/dpu: drop xin_id from struct dpu_hw_blk_reg_map

Drop the unused field xin_id.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/488011/
Link: https://lore.kernel.org/r/20220601161349.1517667-2-dmitry.baryshkov@linaro.orgSigned-off-by: Rob Clark <robdclark@chromium.org>

drivers/gpu/drm/msm/disp/dpu1/dpu_hw_util.h

@@ -26,13 +26,11 @@
  * @base_off:     mdp register mapped offset
  * @blk_off:      pipe offset relative to mdss offset
  * @length        length of register block offset
- * @xin_id        xin id
  */
 struct dpu_hw_blk_reg_map {
 	void __iomem *base_off;
 	u32 blk_off;
 	u32 length;
-	u32 xin_id;
 	u32 log_mask;
 };