arm64: dts: mediatek: add Kontron 3.5"-SBC-i1200

Add basic support for the Kontron 3.5" single board computer featuring a
Mediatek i1200 SoC (MT8395/MT8195).
Signed-off-by: Michael Walle <mwalle@kernel.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20240408080816.4134370-2-mwalle@kernel.orgSigned-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>

arch/arm64/boot/dts/mediatek/Makefile

@@ -79,5 +79,6 @@ dtb-$(CONFIG_ARCH_MEDIATEK) += mt8195-evb.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt8365-evk.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt8395-genio-1200-evk.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt8390-genio-700-evk.dtb
+dtb-$(CONFIG_ARCH_MEDIATEK) += mt8395-kontron-3-5-sbc-i1200.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt8395-radxa-nio-12l.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt8516-pumpkin.dtb