dt-bindings: iio: light: bh1750: convert bindings to yaml

ROHM BH1750 - ALS, Ambient light sensor

Required properties:

- compatible: Must be one of:

    "rohm,bh1710"

    "rohm,bh1715"

    "rohm,bh1721"

    "rohm,bh1750"

    "rohm,bh1751"

- reg: the I2C address of the sensor

Example:

light-sensor@23 {

	compatible = "rohm,bh1750";

	reg = <0x23>;

};

# SPDX-License-Identifier: GPL-2.0

%YAML 1.2

---

$id: http://devicetree.org/schemas/iio/light/bh1750.yaml#

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

title: ROHM BH1750 ambient light sensor

maintainers:

  - Tomasz Duszynski <tduszyns@gmail.com>

description: |

  Ambient light sensor with an i2c interface.

properties:

  compatible:

    enum:

      - rohm,bh1710

      - rohm,bh1715

      - rohm,bh1721

      - rohm,bh1750

      - rohm,bh1751

  reg:

    maxItems: 1

required:

  - compatible

  - reg

examples:

  - |

    i2c {

      #address-cells = <1>;

      #size-cells = <0>;

      light-sensor@23 {

        compatible = "rohm,bh1750";

        reg = <0x23>;

      };

    };

...