ARM: dts: Import libretech-ac DT from Linux 5.0

Import Linux 5.0 DT from 1c163f4c7b3f ("Linux 5.0") for the
meson-gxl-s805x-libretech-ac board and the corresponding changes
in meson-gxl.dtsi.

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index b9eb2c0..36b969d 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -100,6 +100,7 @@
 	meson-gxbb-p200.dtb \
 	meson-gxbb-p201.dtb \
 	meson-gxl-s905x-p212.dtb \
+	meson-gxl-s805x-libretech-ac.dtb \
 	meson-gxl-s905x-libretech-cc.dtb \
 	meson-gxl-s905x-khadas-vim.dtb \
 	meson-gxm-khadas-vim2.dtb \