Bug#765621: Limit on number of MMC partitions
during a test of DI-B2 on an embedded device, at the partitioning stage,
1) "Guided - use entire disk" mode, and then
2) "Separate var,tmp,home partitions"
failed with an error when attempting to process partition #8.
This is because no /dev/mmcblk0p8 existed. Unless I'm mistaken, this is
because the config  has:
Could this be increased to at 16 so that this guide partition mode can