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. f069960 arch: Make board selection choices optional by Joe Hershberger · Tue May 12 14:46:23 2015 -0500
  3. 03b341b x86: Kconfig: Divide the target selection to vendor/model by Bin Meng · Mon Apr 27 23:22:24 2015 +0800