dt-bindings: mfd: sprd,sc2731: Reference sprd,sc2731-efuse bindings

Directly reference the sc2731-efuse bindings to simplify the schema.
Remove the duplicate example from the efuse bindings.
While at it, add the "pmic_adc" label that was missed during the
initial YAML conversion.

Signed-off-by: Stanislav Jakubek <stano.jakubek@gmail.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Baolin Wang <baolin.wang@linux.alibaba.com>
Link: https://lore.kernel.org/r/Z1_9ROiI2ZHKsbAD@standask-GA-A55M-S2HP
Signed-off-by: Lee Jones <lee@kernel.org>

Documentation/devicetree/bindings/mfd/sprd,sc2731.yaml

@@ -67,15 +67,7 @@ patternProperties:
 
   "^efuse@[0-9a-f]+$":
     type: object
-    additionalProperties: true
-    properties:
-      compatible:
-        enum:
-          - sprd,sc2720-efuse
-          - sprd,sc2721-efuse
-          - sprd,sc2723-efuse
-          - sprd,sc2730-efuse
-          - sprd,sc2731-efuse
+    $ref: /schemas/nvmem/sprd,sc2731-efuse.yaml#
 
   "^fuel-gauge@[0-9a-f]+$":
     type: object
@@ -199,7 +191,7 @@ examples:
           };
         };
 
-        adc@480 {
+        pmic_adc: adc@480 {
           compatible = "sprd,sc2731-adc";
           reg = <0x480>;
           interrupt-parent = <&sc2731_pmic>;

Documentation/devicetree/bindings/nvmem/sprd,sc2731-efuse.yaml

@@ -36,33 +36,4 @@ allOf:
   - $ref: nvmem-deprecated-cells.yaml#
 
 unevaluatedProperties: false
-
-examples:
-  - |
-    pmic {
-      #address-cells = <1>;
-      #size-cells = <0>;
-
-      efuse@380 {
-        compatible = "sprd,sc2731-efuse";
-        reg = <0x380>;
-        hwlocks = <&hwlock 12>;
-        #address-cells = <1>;
-        #size-cells = <1>;
-
-        /* Data cells */
-        fgu_calib: calib@6 {
-          reg = <0x6 0x2>;
-          bits = <0 9>;
-        };
-
-        adc_big_scale: calib@24 {
-          reg = <0x24 0x2>;
-        };
-
-        adc_small_scale: calib@26 {
-          reg = <0x26 0x2>;
-        };
-      };
-    };
 ...