dt-bindings: leds: Convert leds-tlc591xx.txt to yaml format

Convert binding doc leds-tlc591xx.txt to yaml format to fix below DTB_CHECK
warning.

arch/arm64/boot/dts/freescale/imx8mp-aristainetos3-proton2s.dtb:
  /soc@0/bus@30800000/i2c@30a30000/tlc59108@40: failed to match any schema with compatible: ['ti,tlc59108']

Additional change:
- ref to common.yaml for child nodes.
- limit child's reg to 0 - 7 for ti,tlc59108.
- fix typo 'linux,default_trigger' in example.
- change child node name's prefix to led-.
- change nodename to led-controller.
- fix properties order in example.

Signed-off-by: Frank Li <[email protected]>
Reviewed-by: Rob Herring (Arm) <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>

Author: nxpfrankli

Documentation/devicetree/bindings/leds/leds-tlc591xx.txt

@@ -0,0 +1,90 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/leds/ti,tlc59116.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: LEDs connected to tlc59116 or tlc59108
+
+maintainers:
+  - Andrew Lunn <[email protected]>
+
+properties:
+  compatible:
+    enum:
+      - ti,tlc59108
+      - ti,tlc59116
+
+  reg:
+    maxItems: 1
+
+  "#address-cells":
+    const: 1
+
+  "#size-cells":
+    const: 0
+
+patternProperties:
+  "^led@[0-9a-f]$":
+    type: object
+    $ref: common.yaml#
+    properties:
+      reg:
+        items:
+          minimum: 0
+          maximum: 15
+
+    unevaluatedProperties: false
+
+required:
+  - compatible
+  - reg
+  - "#address-cells"
+  - "#size-cells"
+
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: ti,tlc59108
+    then:
+      patternProperties:
+        "^led@[0-9a-f]$":
+          properties:
+            reg:
+              items:
+                maximum: 7
+
+additionalProperties: false
+
+examples:
+  - |
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        led-controller@68 {
+            compatible = "ti,tlc59116";
+            reg = <0x68>;
+            #address-cells = <1>;
+            #size-cells = <0>;
+
+            led@0 {
+                reg = <0x0>;
+                label = "wrt1900ac:amber:wan";
+            };
+
+            led@2 {
+                reg = <0x2>;
+                label = "wrt1900ac:white:2g";
+            };
+
+            led@9 {
+                reg = <0x9>;
+                label = "wrt1900ac:green:alive";
+                linux,default-trigger = "heartbeat";
+            };
+        };
+    };
+