diff --git a/plat/arm/board/rde1edge/fdts/rde1edge_nt_fw_config.dts b/plat/arm/board/rde1edge/fdts/rde1edge_nt_fw_config.dts
index 4176921..0af821e 100644
--- a/plat/arm/board/rde1edge/fdts/rde1edge_nt_fw_config.dts
+++ b/plat/arm/board/rde1edge/fdts/rde1edge_nt_fw_config.dts
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018-2019, Arm Limited. All rights reserved.
+ * Copyright (c) 2018-2020, Arm Limited. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -17,6 +17,7 @@
 	system-id {
 		platform-id = <0x0>;
 		config-id = <0x0>;
+		multi-chip-mode = <0x0>;
 	};
 
 };
diff --git a/plat/arm/board/rdn1edge/fdts/rdn1edge_nt_fw_config.dts b/plat/arm/board/rdn1edge/fdts/rdn1edge_nt_fw_config.dts
index fff5874..68366c5 100644
--- a/plat/arm/board/rdn1edge/fdts/rdn1edge_nt_fw_config.dts
+++ b/plat/arm/board/rdn1edge/fdts/rdn1edge_nt_fw_config.dts
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2018-2020, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -17,5 +17,6 @@
 	system-id {
 		platform-id = <0x0>;
 		config-id = <0x0>;
+		multi-chip-mode = <0x0>;
 	};
 };
diff --git a/plat/arm/board/sgi575/fdts/sgi575_nt_fw_config.dts b/plat/arm/board/sgi575/fdts/sgi575_nt_fw_config.dts
index 1e1ea14..260247a 100644
--- a/plat/arm/board/sgi575/fdts/sgi575_nt_fw_config.dts
+++ b/plat/arm/board/sgi575/fdts/sgi575_nt_fw_config.dts
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2018-2020, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -17,5 +17,6 @@
 	system-id {
 		platform-id = <0x0>;
 		config-id = <0x0>;
+		multi-chip-mode = <0x0>;
 	};
 };