This is useful in cases where the OS need to do some work (verification,
JIT'ing etc.) before it's ready to mark a slot as successful.
Change-Id: I114cfb7cf89ee227b186c56347446c850986d0b1
The purpose of the boot control HAL is to communicate with the
bootloader and set various flags letting the bootloader know which
partition to boot
Change-Id: I15178abaaf9ca208b1e5300c9207cedbb7950a88