target: use SPDX license identifiers on Makefiles

Use SPDX license tags to allow machines to check licenses.

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>

10 files changed, 11 insertions, 39 deletions

diff --git a/target/linux/sunxi/Makefile b/target/linux/sunxi/Makefile
index 1b1c30628f..1e07520db8 100644
--- a/target/linux/sunxi/Makefile
+++ b/target/linux/sunxi/Makefile
@@ -1,9 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0-only
 #
 # Copyright (C) 2013-2016 OpenWrt.org
-#
-# This is free software, licensed under the GNU General Public License v2.
-# See /LICENSE for more information.
-#
 
 include $(TOPDIR)/rules.mk
 
diff --git a/target/linux/sunxi/cortexa53/target.mk b/target/linux/sunxi/cortexa53/target.mk
index 435d88f5f4..9e3a4064be 100644
--- a/target/linux/sunxi/cortexa53/target.mk
+++ b/target/linux/sunxi/cortexa53/target.mk
@@ -1,9 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0-only
 #
 # Copyright (C) 2017 Hauke Mehrtens
-#
-# This is free software, licensed under the GNU General Public License v2.
-# See /LICENSE for more information.
-#
 
 include $(TOPDIR)/rules.mk
 
diff --git a/target/linux/sunxi/cortexa7/target.mk b/target/linux/sunxi/cortexa7/target.mk
index 238eb17ac1..95315fd4a4 100644
--- a/target/linux/sunxi/cortexa7/target.mk
+++ b/target/linux/sunxi/cortexa7/target.mk
@@ -1,9 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0-only
 #
 # Copyright (C) 2017 Hauke Mehrtens
-#
-# This is free software, licensed under the GNU General Public License v2.
-# See /LICENSE for more information.
-#
 
 include $(TOPDIR)/rules.mk
 
diff --git a/target/linux/sunxi/cortexa8/target.mk b/target/linux/sunxi/cortexa8/target.mk
index d7d18f6ca4..cf30ca7877 100644
--- a/target/linux/sunxi/cortexa8/target.mk
+++ b/target/linux/sunxi/cortexa8/target.mk
@@ -1,9 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0-only
 #
 # Copyright (C) 2017 Hauke Mehrtens
-#
-# This is free software, licensed under the GNU General Public License v2.
-# See /LICENSE for more information.
-#
 
 include $(TOPDIR)/rules.mk
 
diff --git a/target/linux/sunxi/image/Makefile b/target/linux/sunxi/image/Makefile
index 572c0597e8..738585accc 100644
--- a/target/linux/sunxi/image/Makefile
+++ b/target/linux/sunxi/image/Makefile
@@ -1,10 +1,8 @@
+# SPDX-License-Identifier: GPL-2.0-only
 #
 # Copyright (C) 2013-2016 OpenWrt.org
 # Copyright (C) 2016 Yousong Zhou
-#
-# This is free software, licensed under the GNU General Public License v2.
-# See /LICENSE for more information.
-#
+
 include $(TOPDIR)/rules.mk
 include $(INCLUDE_DIR)/image.mk
 
diff --git a/target/linux/sunxi/image/cortexa53.mk b/target/linux/sunxi/image/cortexa53.mk
index 536fa2417a..117d25ea90 100644
--- a/target/linux/sunxi/image/cortexa53.mk
+++ b/target/linux/sunxi/image/cortexa53.mk
@@ -1,10 +1,7 @@
+# SPDX-License-Identifier: GPL-2.0-only
 #
 # Copyright (C) 2013-2016 OpenWrt.org
 # Copyright (C) 2016 Yousong Zhou
-#
-# This is free software, licensed under the GNU General Public License v2.
-# See /LICENSE for more information.
-#
 
 define Device/sun50i
   SUNXI_DTS_DIR := allwinner/
diff --git a/target/linux/sunxi/image/cortexa7.mk b/target/linux/sunxi/image/cortexa7.mk
index baa3e56b44..b55e93b7fb 100644
--- a/target/linux/sunxi/image/cortexa7.mk
+++ b/target/linux/sunxi/image/cortexa7.mk
@@ -1,10 +1,7 @@
+# SPDX-License-Identifier: GPL-2.0-only
 #
 # Copyright (C) 2013-2019 OpenWrt.org
 # Copyright (C) 2016 Yousong Zhou
-#
-# This is free software, licensed under the GNU General Public License v2.
-# See /LICENSE for more information.
-#
 
 define Device/cubietech_cubieboard2
   DEVICE_VENDOR := Cubietech
diff --git a/target/linux/sunxi/image/cortexa8.mk b/target/linux/sunxi/image/cortexa8.mk
index 643b3d4b1e..9f55774379 100644
--- a/target/linux/sunxi/image/cortexa8.mk
+++ b/target/linux/sunxi/image/cortexa8.mk
@@ -1,10 +1,7 @@
+# SPDX-License-Identifier: GPL-2.0-only
 #
 # Copyright (C) 2013-2016 OpenWrt.org
 # Copyright (C) 2016 Yousong Zhou
-#
-# This is free software, licensed under the GNU General Public License v2.
-# See /LICENSE for more information.
-#
 
 define Device/cubietech_a10-cubieboard
   DEVICE_VENDOR := Cubietech
diff --git a/target/linux/sunxi/modules.mk b/target/linux/sunxi/modules.mk
index 6d2de98658..99f4db7604 100644
--- a/target/linux/sunxi/modules.mk
+++ b/target/linux/sunxi/modules.mk
@@ -1,8 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0-only
 #
 # Copyright (C) 2013-2016 OpenWrt.org
-#
-# This is free software, licensed under the GNU General Public License v2.
-# See /LICENSE for more information.
 
 define KernelPackage/rtc-sunxi
     SUBMENU:=$(OTHER_MENU)
diff --git a/target/linux/sunxi/profiles/00-default.mk b/target/linux/sunxi/profiles/00-default.mk
index 7dc791ecde..0541087a48 100644
--- a/target/linux/sunxi/profiles/00-default.mk
+++ b/target/linux/sunxi/profiles/00-default.mk
@@ -1,9 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0-only
 #
 # Copyright (C) 2017 Yousong Zhou
-#
-# This is free software, licensed under the GNU General Public License v2.
-# See /LICENSE for more information.
-#
 
 define Profile/Default
   NAME:=Default Profile (all drivers)