Alright in this case then there is a way then to use that GPIO to control the USB power. Please see my solution that I posted to a similar question here: Toggle the ethernet/Phy power supply on Verdin - #6 by jeremias.tx
Basically you want to do something similar except for the regulator that goes to the USB hub instead. The regulator for the USB hub should be defined here in the device tree: imx8-apalis-v1.1.dtsi « freescale « dts « boot « arm64 « arch - linux-toradex.git - Linux kernel for Apalis, Colibri and Verdin modules
As shown in the other post you’ll want to remove any reference to this so that the pin MXM3 84 is now free to be manipulated from user-space. From here you should be able to manually control the power via this GPIO.
Best Regards,
Jeremias