test(ff-a): update partition info to include uuids

The ffa_partition_info_get interface has been updated in spm to
return the uuid of the partition in the descriptor. Updates the
tests to check this.

Signed-off-by: Daniel Boulby <daniel.boulby@arm.com>
Change-Id: I8f4cc4a26a781288896e56977c198c69fa09d974
5 files changed