remoteproc: qcom_q6v5_pas: Fix missing of_node_put() in adsp_alloc_memory_region()

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

Fixes: b9e718e9 ("remoteproc: Introduce Qualcomm ADSP PIL")
Signed-off-by: Yuan Can <yuancan@huawei.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221203070639.15128-1-yuancan@huawei.com

drivers/remoteproc/qcom_q6v5_pas.c

@@ -449,6 +449,7 @@ 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;