AP_CANManager: change UAVCAN in metadata to DroneCAN

libraries/AP_CANManager/AP_CANDriver.cpp

@@ -32,7 +32,7 @@ const AP_Param::GroupInfo AP_CANManager::CANDriver_Params::var_info[] = {
     // @Param: PROTOCOL
     // @DisplayName: Enable use of specific protocol over virtual driver
     // @Description: Enabling this option starts selected protocol that will use this virtual driver
-    // @Values: 0:Disabled,1:UAVCAN,3:ToshibaCAN,4:PiccoloCAN,5:CANTester,6:EFI_NWPMU,7:USD1,8:KDECAN,9:PacketDigital,10:Scripting,11:Benewake
+    // @Values: 0:Disabled,1:DroneCAN,3:ToshibaCAN,4:PiccoloCAN,5:CANTester,6:EFI_NWPMU,7:USD1,8:KDECAN,9:PacketDigital,10:Scripting,11:Benewake
     // @User: Advanced
     // @RebootRequired: True
     AP_GROUPINFO("PROTOCOL", 1, AP_CANManager::CANDriver_Params, _driver_type, AP_CANManager::Driver_Type_UAVCAN),