RK817 - PMIC
1，Add the RC oscillator and start up sequence information of DC Characteristics 2.
Update the Description of the Reg38 1, Update the description of RK817-1A/ RK817-5A/ RK817-6A 2，Update Reg31，Reg32 Description 2021-12-02 1.9 Update version 1，Update Power Sequence Description for default voltage
