dt-bindings: pinctrl: qcom,sc8280xp: fix indentation in example (remaining piece)

Bindings example should be indented with 4-spaces.  Previous adjustment
missefd one spot.
Reviewed-by: Bjorn Andersson <andersson@kernel.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20221016170035.35014-35-krzysztof.kozlowski@linaro.orgSigned-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

Documentation/devicetree/bindings/pinctrl/qcom,sc8280xp-pinctrl.yaml

@@ -139,8 +139,8 @@ examples:
         gpio-ranges = <&tlmm 0 0 230>;
 
         gpio-wo-subnode-state {
-                pins = "gpio1";
-                function = "gpio";
+            pins = "gpio1";
+            function = "gpio";
         };
 
         uart-w-subnodes-state {