cmd: mvebu/bubt: Add support for writing image to SATA disk

All 32-bit Armada SoCs and also 64-bit Armada 3720 SoC can load and boot
firmware from SATA disk. This adds support for updating firmware binary for
these SoCs. On 32-bit Armada SoC is firmware stored at sector 1 and on
Armada 3720 is stored at MBR partition 0x4d or GPT partition with type GUID
6828311A-BA55-42A4-BCDE-A89BB5EDECAE (Marvell Armada 3700 Boot partition).

Signed-off-by: Pali Rohár <pali@kernel.org>
3 files changed