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

- Various improvements to Keymile boards - mostly DT conversation
  (Pascal & Holger)
- Removal of now unsupported Keymile boards (Pascal & Holger)
- Small MVEBU PCI fix (Marek)
- Turris Omnia defconfig update (Marek)
- Misc Allied Telesis defconfig updates (Chris)

diff --cc board/keymile/common/ivm.c
Simple merge

diff --cc board/keymile/km83xx/km83xx.c
Simple merge

diff --cc scripts/config_whitelist.txt
Simple merge