ARM: dts: Import SEI610 DT from Linux 5.4-rc2

Import the Amlogic SM1 DT and the SEI610 board DT from [1]

[1] da0c9ea146cb ("Linux 5.4-rc2")

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 17756d4..3b8dc2f 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -142,7 +142,8 @@
 	meson-g12a-u200.dtb \
 	meson-g12a-sei510.dtb \
 	meson-g12b-odroid-n2.dtb \
-	meson-g12b-a311d-khadas-vim3.dtb
+	meson-g12b-a311d-khadas-vim3.dtb \
+	meson-sm1-sei610.dtb
 dtb-$(CONFIG_TEGRA) += tegra20-harmony.dtb \
 	tegra20-medcom-wide.dtb \
 	tegra20-paz00.dtb \