dt-bindings: power: reset: qcom,pon: use absolute path to other schema

Absolute path to other DT schema is preferred over relative one.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220726120215.101868-2-krzysztof.kozlowski@linaro.org

Documentation/devicetree/bindings/power/reset/qcom,pon.yaml

@@ -30,11 +30,11 @@ properties:
 
   pwrkey:
     type: object
-    $ref: "../../input/qcom,pm8941-pwrkey.yaml#"
+    $ref: /schemas/input/qcom,pm8941-pwrkey.yaml#
 
   resin:
     type: object
-    $ref: "../../input/qcom,pm8941-pwrkey.yaml#"
+    $ref: /schemas/input/qcom,pm8941-pwrkey.yaml#
 
 required:
   - compatible