dt-bindings: regulator: add pca9450 regulator yaml

Add device binding doc for pca9450 pmic driver.

Signed-off-by: Robin Gong <yibin.gong@nxp.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/1593793178-9737-3-git-send-email-yibin.gong@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
1 file changed