usb: typec: fix kernel-doc parameter warning

Fix kernel-doc warning (13 times):

../drivers/usb/typec/class.c:1497: warning: Excess function parameter 'drvdata' description in 'typec_port_register_altmode'

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/typec/class.c

@@ -1484,7 +1484,6 @@ EXPORT_SYMBOL_GPL(typec_set_mode);
  * typec_port_register_altmode - Register USB Type-C Port Alternate Mode
  * @port: USB Type-C Port that supports the alternate mode
  * @desc: Description of the alternate mode
- * @drvdata: Private pointer to driver specific info
  *
  * This routine is used to register an alternate mode that @port is capable of
  * supporting.