gpio-key bindings expect children to be named with generic prefix:
  sda660-inforce-ifc6560.dtb: gpio-keys: 'volup' does not match any of the regexes: ...
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230312183622.460488-1-krzysztof.kozlowski@linaro.org
        gpio-keys {
                compatible = "gpio-keys";
 
-               volup {
+               key-volup {
                        label = "Volume Up";
                        gpios = <&pm660l_gpios 7 GPIO_ACTIVE_LOW>;
                        linux,code = <KEY_VOLUMEUP>;