arm64: mvebu: Add bubt command for flash image burn

arm64: mvebu: Add bubt command for flash image burn

Add support for mvebu bubt command for flash image
load, check and burn on boot device.

Signed-off-by: Konstantin Porotchkin <[email protected]>
Reviewed-by: Stefan Roese <[email protected]>
Cc: Stefan Roese <[email protected]>
Cc: Nadav Haklai <[email protected]>
Cc: Neta Zur Hershkovits <[email protected]>
Cc: Omri Itach <[email protected]>
Cc: Igal Liberman <[email protected]>
Cc: Haim Boot <[email protected]>
Cc: Hanna Hawa <[email protected]>
Signed-off-by: Stefan Roese <[email protected]>