Allow sp_discovery to return more than one SP

sp_discovery_partition_info_get() could only return a single SP when
passing a UUID. Change it to enable returning multiple SPs when there
are multiple SPs with the same UUID.

Signed-off-by: Jelle Sels <jelle.sels@arm.com>
Signed-off-by: Imre Kis <imre.kis@arm.com>
Change-Id: I167432152395a62db766b18d60c3487bb814b990
6 files changed