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. e2e0ac5 xtensa: clean up CONFIG_SYS_TEXT_ADDR by Max Filippov · Mon Feb 12 15:39:19 2018 -0800
  3. 1387dab xtensa: add support for the xtensa processor architecture [2/2] by Chris Zankel · Wed Aug 10 18:36:44 2016 +0300