Add support for LG monitors

[fiddyschmitt]

rockowitz/ddcutil#100 (comment)

[fiddyschmitt]

Is this possible in Windows?

https://github.dev/rockowitz/ddcutil/blob/8f8a7196524f04afd1124785cf38eb953d39fdac/src/base/ddc_packets.c#L510-L511

[AlexandreChi]

Hi,
I confirm I do not manage to make it work with my LG 27GP850-B, connected with displayport. Runs increments both on insertiong and removal, but nothing happens.
Tested display-switch and also not working.

[fiddyschmitt]

For controlling LG monitors from NVIDIA cards: https://github.com/kaleb422/NVapi-write-value-to-monitor

For controlling LG monitors from AMD cards: https://github.com/amildahl/amdddc-windows/tree/master