Add back original copyrights

keyboards/infinity60/led.c

@@ -1,4 +1,5 @@
 /*
+Copyright 2015 Jun Wako <wakojun@gmail.com>
 Copyright 2017 jpetermans <tibcmhhm@gmail.com>
 
 This program is free software: you can redistribute it and/or modify

keyboards/infinity60/led_controller.c

@@ -1,4 +1,5 @@
 /*
+Copyright 2016 flabbergast <s3+flabbergast@sdfeu.org>
 Copyright 2017 jpetermans <tibcmhhm@gmail.com>
 
 This program is free software: you can redistribute it and/or modify

keyboards/infinity60/led_controller.h

@@ -1,4 +1,5 @@
 /*
+Copyright 2016 flabbergast <s3+flabbergast@sdfeu.org>
 Copyright 2017 jpetermans <tibcmhhm@gmail.com>
 
 This program is free software: you can redistribute it and/or modify