[Buildroot] [git commit] Makefile: use SPDX short identifier for Buildroot license

[Thomas Petazzoni]

commit: https://git.buildroot.net/buildroot/commit/?id=d116b43b390388bd29f16db4bdfcc9663983fd50
branch: https://git.buildroot.net/buildroot/commit/?id=refs/heads/master

Signed-off-by: Rahul Bedarkar <rahulbedarkar89 at gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni at free-electrons.com>
---
 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 886bd96..941bf78 100644
--- a/Makefile
+++ b/Makefile
@@ -736,7 +736,7 @@ legal-info-prepare: $(LEGAL_INFO_DIR)
 	@$(call legal-license-file,buildroot,COPYING,COPYING,HOST)
 	@$(call legal-manifest,PACKAGE,VERSION,LICENSE,LICENSE FILES,SOURCE ARCHIVE,SOURCE SITE,TARGET)
 	@$(call legal-manifest,PACKAGE,VERSION,LICENSE,LICENSE FILES,SOURCE ARCHIVE,SOURCE SITE,HOST)
-	@$(call legal-manifest,buildroot,$(BR2_VERSION_FULL),GPLv2+,COPYING,not saved,not saved,HOST)
+	@$(call legal-manifest,buildroot,$(BR2_VERSION_FULL),GPL-2.0+,COPYING,not saved,not saved,HOST)
 	@$(call legal-warning,the Buildroot source code has not been saved)
 	@cp $(BR2_CONFIG) $(LEGAL_INFO_DIR)/buildroot.config