Merge changes from topic "mp/cpu_off_broadcast"

* changes:
  test: deny prohibited ABIs while handling CPU_OFF psci msg
  feat: add build flag to control support for CPU_OFF psci msg
  feat(cactus): receive psci msg through direct req framework msg
diff --git a/include/runtime_services/host_realm_managment/host_realm_rmi.h b/include/runtime_services/host_realm_managment/host_realm_rmi.h
index 771a125..4a87ede 100644
--- a/include/runtime_services/host_realm_managment/host_realm_rmi.h
+++ b/include/runtime_services/host_realm_managment/host_realm_rmi.h
@@ -583,7 +583,7 @@
 #define RMI_FEATURE_REGISTER_0_MAX_NUM_AUX_PLANES_SHIFT	45UL
 #define RMI_FEATURE_REGISTER_0_MAX_NUM_AUX_PLANES_WIDTH	4UL
 
-#define RMI_FEATURE_REGISTER_0_RTT_S2AP_INDIRECT	BIT(50)
+#define RMI_FEATURE_REGISTER_0_RTT_S2AP_INDIRECT	BIT(49)
 
 /* Possible values for RmiPlaneRttFeature */
 #define RMI_PLANE_RTT_AUX				0UL