PORTSCX_PORT_SPEED_LOW  238 drivers/usb/gadget/udc/fsl_usb2_udc.h #define  PORTSCX_PORT_SPEED_LOW               0x04000000
PORTSCX_PORT_SPEED_LOW   87 drivers/usb/gadget/udc/mv_udc.h #define PORTSCX_PORT_SPEED_LOW			0x04000000