diff --git a/src/soc/intel/braswell/Kconfig b/src/soc/intel/braswell/Kconfig
index c3b93d2..d9bb481 100644
--- a/src/soc/intel/braswell/Kconfig
+++ b/src/soc/intel/braswell/Kconfig
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 config SOC_INTEL_BRASWELL
 	bool
 	select ACPI_COMMON_MADT_IOAPIC