ARM: dts: omap3-gta04a5: fix copyright of A5 variant

Signed-off-by: NH. Nikolaus Schaller <hns@goldelico.com>
Signed-off-by: NTony Lindgren <tony@atomide.com>

arch/arm/boot/dts/omap3-gta04a5.dts

 /*
- * Copyright (C) 2014 H. Nikolaus Schaller <hns@goldelico.com>
+ * Copyright (C) 2014-18 H. Nikolaus Schaller <hns@goldelico.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as