dt-bindings: arm: rockchip: Add Sonoff iHost

Sonoff iHost is a smart home hub with built in radios for wifi/bt
and Zigbee. It is based off the Rockchip RV1126 (or RV1109) SoC.

Signed-off-by: Tim Lunn <tim@feathertop.org>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20231203124004.2676174-9-tim@feathertop.org


Signed-off-by: Heiko Stuebner <heiko@sntech.de>