[Keyboard] Update to ZSA Boards (qmk#10119)

keyboards/ergodox_ez/ergodox_ez.c

@@ -1,3 +1,23 @@
+/*
+Copyright 2012 Jun Wako <wakojun@gmail.com>
+Copyright 2013 Oleg Kostyuk <cub.uanic@gmail.com>
+Copyright 2015 ZSA Technology Labs Inc (@zsa)
+Copyright 2020 Christopher Courtney <drashna@live.com> (@drashna)
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
 #include "ergodox_ez.h"
 
 extern inline void ergodox_board_led_on(void);