arm64: dts: exynos: add 'chassis-type' property

A new 'chassis-type' root node property has recently been approved for
the device-tree specification.

Add this property for end-user devices (such as laptops,
smartphones and tablets) based on Samsung Exynos ARM64 SoCs.

Signed-off-by: Krzysztof Kozlowski <[email protected]>
Link: https://lore.kernel.org/r/[email protected]

Author: krzk

arch/arm64/boot/dts/exynos/exynos5433-tm2.dts

@@ -13,6 +13,7 @@
 / {
 	model = "Samsung TM2 board";
 	compatible = "samsung,tm2", "samsung,exynos5433";
+	chassis-type = "handset";
 };
 
 &cmu_disp {

arch/arm64/boot/dts/exynos/exynos5433-tm2e.dts

@@ -13,6 +13,7 @@
 / {
 	model = "Samsung TM2E board";
 	compatible = "samsung,tm2e", "samsung,exynos5433";
+	chassis-type = "handset";
 };
 
 &cmu_disp {