dt-bindings: power: Convert power_supply text to yaml

# SPDX-License-Identifier: GPL-2.0

%YAML 1.2

---

$id: "http://devicetree.org/schemas/power/supply/power-supply.yaml#"

$schema: "http://devicetree.org/meta-schemas/core.yaml#"

title: Power Supply Core Support

maintainers:

  - Sebastian Reichel <sre@kernel.org>

properties:

  power-supplies:

    $ref: /schemas/types.yaml#/definitions/phandle-array

    description:

      This property is added to a supply in order to list the devices which

      supply it power, referenced by their phandles.

examples:

  - |

    power {

      #address-cells = <1>;

      #size-cells = <0>;

      usb_charger:charger@e {

        compatible = "some,usb-charger";

        reg = <0xe>;

      };

      ac_charger:charger@c {

        compatible = "some,ac-charger";

        reg = <0xc>;

      };

      battery:battery@b {

        compatible = "some,battery";

        reg = <0xb>;

        power-supplies = <&usb_charger>, <&ac_charger>;

      };

    };

Power Supply Core Support

Optional Properties:

 - power-supplies : This property is added to a supply in order to list the

   devices which supply it power, referenced by their phandles.

Example:

	usb-charger: power@e {

		compatible = "some,usb-charger";

		...

	};

	ac-charger: power@c {

		compatible = "some,ac-charger";

		...

	};

	battery@b {

		compatible = "some,battery";

		...

		power-supplies = <&usb-charger>, <&ac-charger>;

	};

This binding has been converted to yaml please see power-supply.yaml in this

directory.