A pm_runtime_disable was left in when the driver was ported to use
devm_pm_runtime_enable, remove it.

Fixes: ef75e767 ("spi: cs42l43: Add SPI controller support")
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20230922090829.1467594-1-ckeepax@opensource.cirrus.comSigned-off-by: Mark Brown <broonie@kernel.org>