1. 10e4779 SPDX: Convert all of our single license tags to Linux Kernel style by Tom Rini · Sun May 06 17:58:06 2018 -0400
  2. 75f82d0 libfdt: move headers to <linux/libfdt.h> and <linux/libfdt_env.h> by Masahiro Yamada · Mon Mar 05 01:20:11 2018 +0900
  3. d79de1d Add GPL-2.0+ SPDX-License-Identifier to source files by Wolfgang Denk · Mon Jul 08 09:37:19 2013 +0200
  4. 667ab1a powerpc/t4qds: Add T4QDS board by York Sun · Thu Oct 11 07:13:37 2012 +0000