dt-bindings: pinctrl: qcom,sm8250: add input-enable

The SM8250 pinctrl driver supports input-enable and DTS already use it
(sm8250-sony-xperia-edo-pdx203).
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221016172212.49105-15-krzysztof.kozlowski@linaro.orgSigned-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

Documentation/devicetree/bindings/pinctrl/qcom,sm8250-pinctrl.yaml

@@ -114,6 +114,7 @@ $defs:
       bias-pull-up: true
       bias-disable: true
       drive-strength: true
+      input-enable: true
       output-high: true
       output-low: true