add bootargs root

hc

2023-02-14 89db217f27d1d16339e417d7db6cfc7341442919

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Dongwoon Anatech DW9807 voice coil lens driver
 
DW9807 is a 10-bit DAC with current sink capability. It is intended for
controlling voice coil lenses.
 
Mandatory properties:
 
- compatible: "dongwoon,dw9807-vcm"
- reg: I2C slave address