ANDROID: GKI: rockchip: Add symbols for usb audio

12 function symbol(s) added
  'int usb_add_config(struct usb_composite_dev *, struct usb_configuration *, int(*)(struct usb_configuration *))'
  'void usb_composite_overwrite_options(struct usb_composite_dev *, struct usb_composite_overwrite *)'
  'int usb_composite_probe(struct usb_composite_driver *)'
  'void usb_composite_unregister(struct usb_composite_driver *)'
  'void usb_ep_autoconfig_reset(struct usb_gadget *)'
  'int usb_gadget_connect(struct usb_gadget *)'
  'int usb_gadget_disconnect(struct usb_gadget *)'
  'struct usb_function * usb_get_function(struct usb_function_instance *)'
  'struct usb_function_instance * usb_get_function_instance(const char *)'
  'void usb_put_function(struct usb_function *)'
  'void usb_remove_function(struct usb_configuration *, struct usb_function *)'
  'int usb_string_ids_tab(struct usb_composite_dev *, struct usb_string *)'

Bug: 239396464
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Signed-off-by: Bian Jin chen <kenjc.bian@rock-chips.com>
Change-Id: I90e2ac5054817660b8dc480e3f0b4e35ce23c21c