kernel: update deprecated license information

Update the deprecated license information from GPL-2.0 to GPL-2.0-only
as written in the COPYING file of the linux source tree.

Also add the 'COPYING' file to the PKG_LICENSE_FILES variable.

Signed-off-by: Florian Eckert <fe@dev.tdt.de>
(cherry picked from commit 879826154fd3e5ec353117a9c00cecf5e38c4a16)
Link: https://github.com/openwrt/openwrt/pull/15918
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

diff --git a/package/kernel/linux/Makefile b/package/kernel/linux/Makefile
index ff917602701ab6d6729d4a9bc3e955df80bb5200..b9f547ed61f03a414646ffa4aaef4504f523b47c 100644 (file)
--- a/package/kernel/linux/Makefile
+++ b/package/kernel/linux/Makefile
@@ -16,8 +16,8 @@ SUBTARGETS = $(sort $(filter-out feeds,$(notdir $(wildcard $(TOPDIR)/target/linu
 SUBTARGET_MODULES = $(foreach t,$(SUBTARGETS),$(firstword $(wildcard $(TOPDIR)/target/linux/feeds/$(t)/modules.mk $(TOPDIR)/target/linux/$(t)/modules.mk)))
 SCAN_DEPS=modules/*.mk $(SUBTARGET_MODULES) $(TOPDIR)/include/netfilter.mk
 
-PKG_LICENSE:=GPL-2.0
-PKG_LICENSE_FILES:=
+PKG_LICENSE:=GPL-2.0-only
+PKG_LICENSE_FILES:=COPYING
 
 export SHELL:=/bin/sh
 .ONESHELL: