ARM64: dts: amlogic: Reorder copyrights for meson-gx

meson-gx.dtsi was directly derived from meson-gxbb.dtsi, so keep the
copyrights in chronological order to not give a wrong impression.

Fixes: c328666d ("ARM64: dts: amlogic: Add Meson GX dtsi from GXBB")
Cc: Neil Armstrong <narmstrong@baylibre.com>
Cc: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>

arch/arm64/boot/dts/amlogic/meson-gx.dtsi

 /*
+ * Copyright (c) 2016 Andreas Färber
+ *
  * Copyright (c) 2016 BayLibre, SAS.
  * Author: Neil Armstrong <narmstrong@baylibre.com>
  *
  * Copyright (c) 2016 Endless Computers, Inc.
  * Author: Carlo Caione <carlo@endlessm.com>
  *
- * Copyright (c) 2016 Andreas Färber
- *
  * This file is dual-licensed: you can use it either under the terms
  * of the GPL or the X11 license, at your option. Note that this dual
  * licensing only applies to this file, and not this project as a