default or selected kernelversion does not have config value CONFIG_USB_GADGET_PXA_U2O.
Result is shown for kernelversion 5.6.18
PXA9xx Processor USB2.0 controller
configname: CONFIG_USB_GADGET_PXA_U2O
USB Peripheral Controller
└─>PXA9xx Processor USB2.0 controller
In linux kernel since version 2.6.38 (release Date: 2011-03-14)
PXA9xx Processor series include a high speed USB2.0 device
controller, which support high speed and full speed USB peripheral.
controller, which support high speed and full speed USB peripheral.