dt-bindings: iio: light: add support for Vishay VEML6075

The Vishay VEML6075 is a 16-bit digital UVA and UVB sensor with I2C
interface.

Add bindings and an example for the Vishay VEML6075.

Signed-off-by: Javier Carrasco <[e-mail]>
Reviewed-by: Krzysztof Kozlowski <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Jonathan Cameron <[e-mail]>

Documentation/devicetree/bindings/iio/light/vishay,veml6075.yaml

···
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/light/vishay,veml6075.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Vishay VEML6075 UVA and UVB sensor
+
+maintainers:
+  - Javier Carrasco <[e-mail]>
+
+properties:
+  compatible:
+    const: vishay,veml6075
+
+  reg:
+    maxItems: 1
+
+  vdd-supply: true
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        uv-sensor@10 {
+            compatible = "vishay,veml6075";
+            reg = <0x10>;
+            vdd-supply = <&vdd_reg>;
+        };
+    };
+...