remoteproc: qcom: Fix missing of_node_put in adsp_alloc_memory_region

The device_node pointer is returned by of_parse_phandle()  with refcount
incremented. We should use of_node_put() on it when done.

Fixes: dc160e44 ("remoteproc: qcom: Introduce Non-PAS ADSP PIL driver")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220308031219.4718-1-linmq006@gmail.com

drivers/remoteproc/qcom_q6v5_adsp.c

@@ -408,6 +408,7 @@ static int adsp_alloc_memory_region(struct qcom_adsp *adsp)
 	}
 
 	ret = of_address_to_resource(node, 0, &r);
+	of_node_put(node);
 	if (ret)
 		return ret;