Fix matching explicitly configurated devices with screens
Match value of Option "kmsdev" with the platform device's device path so explicit configuration is working.
This changes the setup of an USB DisplayLink device from being a GPU device to a framebuffer device with AutoBindGPU true or false.
Signed-off-by: Böszörményi Zoltán zboszor@pr.hu
Edited by Zoltán Böszörményi