feat(ffa): align manifest to managed exit changes

Managed exit support is moved from messaging method to a dedicated
parameter. As of DEN0077A FF-A v1.1 Beta0 section 5.2, managed exit
support is moved out of messaging-method field and is described in a
separate field.

Signed-off-by: Maksims Svecovs <maksims.svecovs@arm.com>
Change-Id: Id464d6c553d4706d56c9e037d6403d97cd4e1770
diff --git a/spm/cactus/plat/arm/fvp/fdts/cactus.dts b/spm/cactus/plat/arm/fvp/fdts/cactus.dts
index 2db86c7..745aefe 100644
--- a/spm/cactus/plat/arm/fvp/fdts/cactus.dts
+++ b/spm/cactus/plat/arm/fvp/fdts/cactus.dts
@@ -27,7 +27,8 @@
 	entrypoint-offset = <0x00001000>;
 	xlat-granule = <0>; /* 4KiB */
 	boot-order = <0>;
-	messaging-method = <11>; /* Direct messaging with managed exit */
+	messaging-method = <3>; /* Direct messaging only */
+	managed-exit; /* Managed exit is supported */
 	run-time-model = <0>; /* Run to completion */
 
 	/* Boot protocol */
diff --git a/spm/cactus/plat/arm/tc0/fdts/cactus.dts b/spm/cactus/plat/arm/tc0/fdts/cactus.dts
index f76196f..4578e44 100644
--- a/spm/cactus/plat/arm/tc0/fdts/cactus.dts
+++ b/spm/cactus/plat/arm/tc0/fdts/cactus.dts
@@ -25,7 +25,8 @@
 	entrypoint-offset = <0x00001000>;
 	xlat-granule = <0>; /* 4KiB */
 	boot-order = <0>;
-	messaging-method = <11>; /* Direct messaging with managed exit */
+	messaging-method = <3>; /* Direct messaging only */
+	managed-exit; /* Managed exit supported */
 	run-time-model = <1>; /* Run to completion */
 
 	/* Boot protocol */