Cactus: FFA_PARTITION_INFO_GET test.

Calls FFA_PARTITION_INFO_GET API from secure virtual FFA-A instance.
 * Gets information about primary SP.
 * Gets information about secondary SP.
 * Gets information about all SP running.
 * Attempts to get information about non-existing SP.

Signed-off-by: Max Shvetsov <maksims.svecovs@arm.com>
Change-Id: Ief4de45b4d7decb1e1dba9bdb0e7e05516062dd2
6 files changed