Merge https://source.denx.de/u-boot/custodians/u-boot-marvell

- Some more updates/sync's to A38x DDR3 code (Marek & Pali)
- marvell/ddr/AXP: Some type fixes found in the LTO work (Marek)
- Espressobin: Enable more options (Pali)
- pci-aardvark: Implement workaround for the readback value of
  VEND_ID (Paili)