staging: gpib: Modify mismatched function name

No functional modification involved.

drivers/staging/gpib/lpvo_usb_gpib/lpvo_usb_gpib.c:676: warning: expecting prototype for interface_clear(). Prototype was for usb_gpib_interface_clear() instead.
drivers/staging/gpib/lpvo_usb_gpib/lpvo_usb_gpib.c:654: warning: expecting prototype for go_to_standby(). Prototype was for usb_gpib_go_to_standby() instead.
drivers/staging/gpib/lpvo_usb_gpib/lpvo_usb_gpib.c:636: warning: expecting prototype for enable_eos(). Prototype was for usb_gpib_enable_eos() instead.
drivers/staging/gpib/lpvo_usb_gpib/lpvo_usb_gpib.c:618: warning: expecting prototype for disable_eos(). Prototype was for usb_gpib_disable_eos() instead.

Reported-by: Abaci Robot <[e-mail]>
Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=12253
Signed-off-by: Jiapeng Chong <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/staging/gpib/lpvo_usb_gpib/lpvo_usb_gpib.c

···
 }
 
 /**
- * disable_eos() - Disable END on eos byte (END on EOI only)
+ * usb_gpib_disable_eos() - Disable END on eos byte (END on EOI only)
  *
  * @board:    the gpib_board data area for this gpib interface
  *
···
 }
 
 /**
- * enable_eos() - Enable END for reads when eos byte is received.
+ * usb_gpib_enable_eos() - Enable END for reads when eos byte is received.
  *
  * @board:    the gpib_board data area for this gpib interface
  * @eos_byte: the 'eos' byte
···
 }
 
 /**
- * go_to_standby() - De-assert ATN
+ * usb_gpib_go_to_standby() - De-assert ATN
  *
  * @board:    the gpib_board data area for this gpib interface
  */
···
 }
 
 /**
- * interface_clear() - Assert or de-assert IFC
+ * usb_gpib_interface_clear() - Assert or de-assert IFC
  *
  * @board:    the gpib_board data area for this gpib interface
  * assert:    1: assert IFC;  0: de-assert IFC