slimbus: ngd: remove redundant assignment

remove redundant assignment, as this is already done fewlines lines before.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20200417093914.22052-1-srinivas.kandagatla@linaro.orgSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/slimbus/qcom-ngd-ctrl.c

@@ -1365,7 +1365,6 @@ static int of_qcom_slim_ngd_register(struct device *parent,
 		platform_device_add(ngd->pdev);
 		ngd->base = ctrl->base + ngd->id * data->offset +
 					(ngd->id - 1) * data->size;
-		ctrl->ngd = ngd;
 
 		return 0;
 	}