linux: update license tag to use correct SPDX tag
authorFlorian Eckert <fe@dev.tdt.de>
Fri, 6 Jul 2018 12:31:44 +0000 (14:31 +0200)
committerJohn Crispin <john@phrozen.org>
Wed, 8 Aug 2018 13:30:34 +0000 (15:30 +0200)
commitd101899395499dc937e0c2badd423640d9a2c153
treeeb06c817817dd4b657468978cdec522643720082
parent1e5bd42d63e508358c703be550590d3ff72dc6e0
linux: update license tag to use correct SPDX tag

Use SPDX tag.

Signed-off-by: Florian Eckert <fe@dev.tdt.de>
(cherry picked from commit c79ef6fbe39b0626214542a0de141da092be193c)
package/kernel/linux/Makefile