arm64: dts: amlogic: meson-s4: add internal SARADC controller
Add the SARADC (Successive Approximation Register ADC) controller
node to the Meson S4 SoC dtsi.
It uses the S4-specific compatible string with a fallback to the
G12A generation, as there are no known hardware differences.
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Nick Xie <nick@khadas.com>
Link: https://patch.msgid.link/20260325070618.81955-4-nick@khadas.com
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>