remoteproc: k3-r5: Use devm_rproc_add() helper

Use device lifecycle managed devm_rproc_add() helper function. This
helps prevent mistakes like deleting out of order in cleanup functions
and forgetting to delete on all error paths.

Signed-off-by: Beleswar Padhi <b-padhi@ti.com>
Reviewed-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20241219110545.1898883-5-b-padhi@ti.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>

drivers/remoteproc/ti_k3_r5_remoteproc.c

@@ -1266,7 +1266,7 @@ static int k3_r5_cluster_rproc_init(struct platform_device *pdev)
 			goto out;
 		}
 
-		ret = rproc_add(rproc);
+		ret = devm_rproc_add(dev, rproc);
 		if (ret) {
 			dev_err_probe(dev, ret, "rproc_add failed\n");
 			goto out;
@@ -1297,7 +1297,7 @@ static int k3_r5_cluster_rproc_init(struct platform_device *pdev)
 			dev_err(dev,
 				"Timed out waiting for %s core to power up!\n",
 				rproc->name);
-			goto err_powerup;
+			goto out;
 		}
 	}
 
@@ -1313,8 +1313,6 @@ static int k3_r5_cluster_rproc_init(struct platform_device *pdev)
 		}
 	}
 
-err_powerup:
-	rproc_del(rproc);
 out:
 	/* undo core0 upon any failures on core1 in split-mode */
 	if (cluster->mode == CLUSTER_MODE_SPLIT && core == core1) {
@@ -1357,8 +1355,6 @@ static void k3_r5_cluster_rproc_exit(void *data)
 		}
 
 		mbox_free_channel(kproc->mbox);
-
-		rproc_del(rproc);
 	}
 }