ARM: dts: Add secure-firmware boot support for OrigenQaud board

OrigenQuad board boots with secure firmware support. Enable support for
reading smc commands.

The binding has been updated as per the documentation provided in
Documentation/devicetree/bindings/arm/samsung-boards.txt.

Signed-off-by: Tushar Behera <tushar.behera@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
diff --git a/arch/arm/boot/dts/exynos4412-origen.dts b/arch/arm/boot/dts/exynos4412-origen.dts
index 7993641..8768b03 100644
--- a/arch/arm/boot/dts/exynos4412-origen.dts
+++ b/arch/arm/boot/dts/exynos4412-origen.dts
@@ -27,6 +27,11 @@
 		bootargs ="console=ttySAC2,115200";
 	};
 
+	firmware@0203F000 {
+		compatible = "samsung,secure-firmware";
+		reg = <0x0203F000 0x1000>;
+	};
+
 	mmc_reg: voltage-regulator {
 		compatible = "regulator-fixed";
 		regulator-name = "VMEM_VDD_2.8V";