default or selected kernelversion does not have config value CONFIG_USB_GADGET_DUALSPEED.
Result is shown for kernelversion 6.2.5
CONFIG_USB_GADGET_DUALSPEED (not configurable)
configname: CONFIG_USB_GADGET_DUALSPEED
Linux Kernel Configuration
└─>Device Drivers
└─>USB support
└─>USB Gadget Support
└─>USB_GADGET_DUALSPEED