power/reset: xgene: Return -ENOMEM if out of memory

It is customary to return an error code of -ENOMEM if the system
is out of memory. Also, in that case, the infrastructure will report
an error, so it is unnecessary to report it again.

Cc: Loc Ho <lho@apm.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

drivers/power/reset/xgene-reboot.c

@@ -61,10 +61,8 @@ static int xgene_reboot_probe(struct platform_device *pdev)
 	struct xgene_reboot_context *ctx;
 
 	ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
-	if (!ctx) {
-		dev_err(&pdev->dev, "out of memory for context\n");
-		return -ENODEV;
-	}
+	if (!ctx)
+		return -ENOMEM;
 
 	ctx->csr = of_iomap(pdev->dev.of_node, 0);
 	if (!ctx->csr) {