How can the "CN0282 - USB Powered DVI/HDMI-to-VGA Converter (HDMI2VGA) with Audio Extraction" be adapted to output component video?
For two parts different, refer feature support of respective chipset datasheet.
And also refer below HDMI-to-VGA (HDMI2VGA) Converter Block Diagram in ADV7125 circuit note at www.analog.com/.../CN0282.pdf
How do you configure the board either through script or software driver?
In reference script there will be i2c configuration for different resolution which is available at https://ez.analog.com/video/w/documents/801/adv739x-design-support-files