We should call of_node_put() for the reference 'dsp_of_node' returned by
of_parse_phandle() which will increase the refcount.

Fixes: 9bae4880 ("ASoC: qcom: move ipq806x specific bits out of lpass driver.")
Co-authored-by: Miaoqian Lin <linmq006@gmail.com>
Signed-off-by: Liang He <windhl@126.com>
Link: https://lore.kernel.org/r/20220702020109.263980-1-windhl@126.comSigned-off-by: Mark Brown <broonie@kernel.org>