Status of the boot partition or partitions. A value of
good(1) indicates that all boot partitions contain a
valid checksum. A value of bad(2) indicates that one or
more boot partitions contain an invalid checksum and the
the image was not able to fix the invalid boot partition.
A value of inProgress(3) indicates that the image is
attempting to fix an invalid boot partition and this
status will change to either good(1) or bad(2).