cactus: adjust partition info get properties

SPs support receipt of direct message requests and is reported as
such in partition info get properties field.

Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
Change-Id: I643f374cc9fa702fa839987ff576067589af867a
diff --git a/spm/cactus/cactus_ffa_tests.c b/spm/cactus/cactus_ffa_tests.c
index 81970f7..28555af 100644
--- a/spm/cactus/cactus_ffa_tests.c
+++ b/spm/cactus/cactus_ffa_tests.c
@@ -126,19 +126,20 @@
 		{
 			.id = SPM_VM_ID_FIRST,
 			.exec_context = CACTUS_PRIMARY_EC_COUNT,
-			.properties = 0U
+			/* Supports receipt of direct message requests. */
+			.properties = 1U
 		},
 		/* Secondary partition info */
 		{
 			.id = SPM_VM_ID_FIRST + 1U,
 			.exec_context = CACTUS_SECONDARY_EC_COUNT,
-			.properties = 0U
+			.properties = 1U
 		},
 		/* Tertiary partition info */
 		{
 			.id = SPM_VM_ID_FIRST + 2U,
 			.exec_context = CACTUS_TERTIARY_EC_COUNT,
-			.properties = 0U
+			.properties = 1U
 		}
 	};