dt-bindings: iio: adc: Add rockchip,rk3506-saradc variant
The SARADC of the RK3506 is similar to the one found in the RK3528
in terms of number of channels and the other implementation details.
So add a variant compatible for it, that reflects this fact.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
authored by