[openwrt/openwrt] spidev-test: Add license

[LEDE Commits]

hauke pushed a commit to openwrt/openwrt.git, branch main:
https://git.openwrt.org/315398be580abda0de75ad2a48e72cb661bb39e4

commit 315398be580abda0de75ad2a48e72cb661bb39e4
Author: Jan Kardell <jan.kardell at telliq.com>
AuthorDate: Tue Jul 1 15:05:03 2025 +0200

    spidev-test: Add license
    
    Add GPL-2.0-only license.
    
    Signed-off-by: Jan Kardell <jan.kardell at telliq.com>
    Link: https://patchwork.ozlabs.org/project/openwrt/patch/mailman.87460.1751380623.1866309.openwrt-devel@lists.openwrt.org/
    Signed-off-by: Hauke Mehrtens <hauke at hauke-m.de>
---
 package/utils/spidev_test/Makefile | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/package/utils/spidev_test/Makefile b/package/utils/spidev_test/Makefile
index d264a8950a..f0e60f8b15 100644
--- a/package/utils/spidev_test/Makefile
+++ b/package/utils/spidev_test/Makefile
@@ -14,6 +14,8 @@ PKG_RELEASE:=1
 PKG_BUILD_DIR:=$(LINUX_DIR)/tools/spi-$(TARGET_DIR_NAME)
 PKG_BUILD_PARALLEL:=1
 
+PKG_LICENSE:=GPL-2.0-only
+
 include $(INCLUDE_DIR)/package.mk
 
 define Package/spidev-test