ARM: dts: Import Amlogic G12A u200 DT from Linux 5.1-rc1

Import Linux 5.1-rc1 DT from 9e98c678c2d6 ("Linux 5.1-rc1") for the
meson-g12a-u200 board, the meson-g12a.dtsi and the corresponding bindings.

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 36b969d..c5658d3 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -104,7 +104,8 @@
 	meson-gxl-s905x-libretech-cc.dtb \
 	meson-gxl-s905x-khadas-vim.dtb \
 	meson-gxm-khadas-vim2.dtb \
-	meson-axg-s400.dtb
+	meson-axg-s400.dtb \
+	meson-g12a-u200.dtb
 dtb-$(CONFIG_TEGRA) += tegra20-harmony.dtb \
 	tegra20-medcom-wide.dtb \
 	tegra20-paz00.dtb \