The SARADC on the Amlogic Meson8 SoC also requires the amlogic,hhi-sysctrl, property, document it by adding the amlogic,meson8-saradc compatible in the adequate allOf:if:compatible:contains:enums along meson8b and meson8m2. Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Acked-by: Rob Herring (Arm) <robh@kernel.org> Link: https://patch.msgid.link/20240911-topic-amlogic-arm32-upstream-bindings-fixes-amlogic-hhi-sysctrl-v1-1-b8c3180b2fba@linaro.org Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>