CONFIG_USB_COMMON (not configurable)

modulename: usb-common.ko

configname: CONFIG_USB_COMMON

Linux Kernel Configuration
└─>Device Drivers
└─>USB support
└─>USB_COMMON
In linux kernel since version 3.1 (release Date: 2011-10-24)  
source code:
drivers/usb/usb-common.c

is selected by
CONFIG_PHY_SUN9I_USB