regulator: dt-bindings: pca9450: Make interrupt optional

The interrupt is optional in hardware and not connected on
some boards. Make it optional in the binding.

Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Link: https://patch.msgid.link/20240708084107.38986-3-frieder@fris.de
Signed-off-by: Mark Brown <broonie@kernel.org>
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Frieder Schrempf 2024-07-08 10:40:32 +02:00 • committed by Mark Brown
commit ef0b29e744
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