Add support for Brillo Partitioning Tool

The gpt image is created by BPT using
the device-partitions.bpt file.

Flashfiles archive and the provision script are
updated in order to flash partition-table.img as
gpt.

An updated u-boot is needed for this to work.

BUG=28252130

Change-Id: Iaed9f0bba00a2f2f4554ee8901ab313a6815576f
Tracked-On: https://jira01.devtools.intel.com/browse/BP-378
Signed-off-by: Irina Patru <irina.patru@intel.com>
Signed-off-by: Stefan Stanacar <stefan.stanacar@intel.com>
6 files changed