net: ipa: Add missing of_node_put() in ipa_firmware_load()

net: ipa: Add missing of_node_put() in ipa_firmware_load()

[ Upstream commit b244163f2c45c12053cb0291c955f892e79ed8a9 ]

This node pointer is returned by of_parse_phandle() with refcount
incremented in this function. of_node_put() on it before exiting
this function.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Acked-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>