dt-bindings: mfd: maxim,max77759: reference power-supply schema and add regulator...

dt-bindings: mfd: maxim,max77759: reference power-supply schema and add regulator property

Extend the max77759 binding to reference power-supply schema, so that
PMIC node can reference its supplier. Also, add regulator property to
control CHGIN (OTG) voltage.

Signed-off-by: Amit Sunil Dhamne <amitsd@google.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Reviewed-by: André Draszik <andre.draszik@linaro.org>
Link: https://patch.msgid.link/20260325-max77759-charger-v9-1-4486dd297adc@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>