Required properties:
- compatible : should be "rockchip,<name>-tsadc"
+ "rockchip,rv1108-tsadc": found on RV1108 SoCs
"rockchip,rk3228-tsadc": found on RK3228 SoCs
"rockchip,rk3288-tsadc": found on RK3288 SoCs
"rockchip,rk3328-tsadc": found on RK3328 SoCs