drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c: Remove unneeded semicolon

fix semicolon.cocci warnings:
drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c:752:2-3: Unneeded semicolon
Signed-off-by: Xu Wang <vulab@iscas.ac.cn>
Signed-off-by: Rob Clark <robdclark@chromium.org>

drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c

@@ -749,7 +749,7 @@ static void _dpu_kms_set_encoder_mode(struct msm_kms *kms,
 	case DRM_MODE_ENCODER_TMDS:
 		info.num_of_h_tiles = 1;
 		break;
-	};
+	}
 
 	rc = dpu_encoder_setup(encoder->dev, encoder, &info);
 	if (rc)