Implement a feature to allow fastboot to write the downloaded image
to the space reserved for the Protective MBR and the Primary GUID
Partition Table.
Additionally, prepare and write the Backup GUID Partition Table.
Signed-off-by: NSteve Rae <srae@broadcom.com>
Tested-by: NLukasz Majewski <l.majewski@samsung.com>
[Test HW: Exynos4412 - Trats2]