add default option for the OTi-6858 USB serial device (closes #2631)

SVN-Revision: 9484

target/linux/generic-2.6/config-2.6.23

@@ -1567,6 +1567,7 @@ CONFIG_USB_SERIAL_NAVMAN=m
 CONFIG_USB_SERIAL_OMNINET=m
 CONFIG_USB_SERIAL_OPTION=m
 CONFIG_USB_SERIAL_PL2303=m
+CONFIG_USB_SERIAL_OTI6858=m
 CONFIG_USB_SERIAL_SAFE=m
 CONFIG_USB_SERIAL_SAFE_PADDED=y
 CONFIG_USB_SERIAL_SIERRAWIRELESS=m