spi: cs42l43: Clean up of firmware node

As we get a child node in the OF case, we should also clean up the
reference, add code to do so.

Suggested-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://msgid.link/r/20240202103430.951598-1-ckeepax@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Charles Keepax 2024-02-02 10:34:30 +00:00 • committed by Mark Brown
commit 1e942b5bb1
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