3 files changed, 6 insertions, 0 deletions
diff --git a/src/mainboard/51nb/Kconfig.name b/src/mainboard/51nb/Kconfig.name
index 6f99514dffce..5d00e6a931ab 100644
--- a/src/mainboard/51nb/Kconfig.name
+++ b/src/mainboard/51nb/Kconfig.name
@@ -1,2 +1,4 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config VENDOR_51NB
 	bool "51NB"
diff --git a/src/mainboard/51nb/x210/Kconfig b/src/mainboard/51nb/x210/Kconfig
index 038b2a57f456..a9d18074ebac 100644
--- a/src/mainboard/51nb/x210/Kconfig
+++ b/src/mainboard/51nb/x210/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 if BOARD_51NB_X210
 
 config BOARD_SPECIFIC_OPTIONS
diff --git a/src/mainboard/51nb/x210/Kconfig.name b/src/mainboard/51nb/x210/Kconfig.name
index 1cae5dda0a9e..281c3937f1d0 100644
--- a/src/mainboard/51nb/x210/Kconfig.name
+++ b/src/mainboard/51nb/x210/Kconfig.name
@@ -1,2 +1,4 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config BOARD_51NB_X210
 	bool "51NB X210"