Update mvebu U-boot to 2022.10 to avoid backporting patches in order
to support Methode eDPU.
It also allows dropping existing patches as they are all backports.
Tested-by: Andre Heider <a.heider@gmail.com> # espressobin-v3-v5-1gb-2cs
Tested-by: Russell Morris <github@rkmorris.us> # espressobin-v3-v5-1gb-1cs
Tested-by: Josef Schlehofer <pepe.schlehofer@gmail.com> [Turris Omnia]
Signed-off-by: Robert Marko <robert.marko@sartura.hr>