colibri-imx8x: add on-module gpio expander fxl6408

The FXL6408 GPIO expander manages critical devices,
including on-module USB hub. Configure the expander to
switch the USB hub into bypass mode, allowing to use
on-carrier-board USB hub.

Signed-off-by: Oleksandr Suvorov <cryosay@gmail.com>
Signed-off-by: Oleksandr Suvorov <oleksandr.suvorov@foundries.io>
2 files changed