Flash device partitions actually present. Number of
partitions cannot exceed the minimum of
ciscoFlashDeviceMaxPartitions
and
(ciscoFlashDeviceSize / ciscoFlashDeviceMinPartitionSize).
Will be equal to at least 1, the case where the partition
spans the entire device (actually no partitioning).
A partition will contain one or more minimum partition
units (where a minimum partition unit is defined by
ciscoFlashDeviceMinPartitionSize).