dt-bindings: leds: Add missing references to common LED schema

'led' nodes should have a reference to LED common.yaml schema. Add it where
missing and drop any duplicate properties.

Acked-by: Lee Jones <lee@kernel.org>
Acked-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20221207204327.2810001-2-robh@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>

Documentation/devicetree/bindings/leds/leds-lgm.yaml

@@ -56,7 +56,8 @@ properties:
 
     patternProperties:
       "^led@[0-2]$":
-        type: object
+        $ref: common.yaml#
+        unevaluatedProperties: false
 
         properties:
           reg:

Documentation/devicetree/bindings/leds/leds-max77650.yaml

@@ -30,9 +30,8 @@ properties:
 
 patternProperties:
   "^led@[0-2]$":
-    type: object
-    description: |
-      Properties for a single LED.
+    $ref: common.yaml#
+    unevaluatedProperties: false
 
     properties:
       reg:
@@ -41,10 +40,6 @@ patternProperties:
         minimum: 0
         maximum: 2
 
-      label: true
-
-      linux,default-trigger: true
-
 required:
   - compatible
   - "#address-cells"

Documentation/devicetree/bindings/leds/rohm,bd71828-leds.yaml

@@ -26,26 +26,16 @@ properties:
 
 patternProperties:
   "^led-[1-2]$":
-    type: object
-    description:
-      Properties for a single LED.
+    $ref: common.yaml#
+    unevaluatedProperties: false
+
     properties:
-      #allOf:
-        #- $ref: "common.yaml#"
       rohm,led-compatible:
         description: LED identification string
         $ref: "/schemas/types.yaml#/definitions/string"
         enum:
           - bd71828-ambled
           - bd71828-grnled
-      function:
-        description:
-          Purpose of LED as defined in dt-bindings/leds/common.h
-        $ref: "/schemas/types.yaml#/definitions/string"
-      color:
-        description:
-          LED colour as defined in dt-bindings/leds/common.h
-        $ref: "/schemas/types.yaml#/definitions/uint32"
 
 required:
   - compatible