Self-present door is a feature available with Premium Upgrade Package (PUP) only. While it is software-based, it is not software upgradeable after delivery. As for pressing on the brake to close the driver door, this is available to all X with or without the PUP. Also available to PUP is opening the passenger side door with double click on the FOB (1st double click opens the driver door, 2nd double click opens the passenger door).
As for summon / self park, it's part of Autopilot / Enhanced Autopilot that is upgradeable after delivery.