remoteproc: qcom_q6v5_mss: Fix some leaks in q6v5_alloc_memory_region

remoteproc: qcom_q6v5_mss: Fix some leaks in q6v5_alloc_memory_region

BugLink: https://bugs.launchpad.net/bugs/1969110
[ Upstream commit 07a5dcc4bed9d7cae54adf5aa10ff9f037a3204b ]

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

This function only call of_node_put(node) when of_address_to_resource
succeeds, missing error cases.

Fixes: 278d744c46fd ("remoteproc: qcom: Fix potential device node leaks")
Fixes: 051fb70fd4ea ("remoteproc: qcom: Driver for the self-authenticating Hexagon v5")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220308064522.13804-1-linmq006@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
(cherry picked from commit bd4771ba2cf9e18473a42b5b70175e50d67a64bb)
Signed-off-by: Paolo Pisati <paolo.pisati@canonical.com>