arm64: dts: meson: add libretech-pc support

Add support for the Amlogic based libretech-pc platform.
This platform comes with 2 variant, based on the s905d or s912 SoC.

Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
[narmstrong: update board/amlogic/q200/MAINTAINERS]
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 820ee97..a80ce9c 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -147,7 +147,9 @@
 	meson-gxl-s805x-libretech-ac.dtb \
 	meson-gxl-s905x-libretech-cc.dtb \
 	meson-gxl-s905x-khadas-vim.dtb \
+	meson-gxl-s905d-libretech-pc.dtb \
 	meson-gxm-khadas-vim2.dtb \
+	meson-gxm-s912-libretech-pc.dtb \
 	meson-axg-s400.dtb \
 	meson-g12a-u200.dtb \
 	meson-g12a-sei510.dtb \