Tegra30: Cardhu: Add DT files

These are stripped down for bringup, They'll be filled out later
to match-up with the kernel DT contents, and/or as devices are
brought up (mmc, usb, spi, etc.).

Signed-off-by: Tom Warren <twarren@nvidia.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>

arch/arm/dts/tegra30.dtsi

@@ -0,0 +1,5 @@
+/include/ "skeleton.dtsi"
+
+/ {
+	compatible = "nvidia,tegra30";
+};

board/nvidia/dts/tegra30-cardhu.dts

@@ -0,0 +1,14 @@
+/dts-v1/;
+
+/memreserve/ 0x1c000000 0x04000000;
+/include/ ARCH_CPU_DTS
+
+/ {
+	model = "NVIDIA Cardhu";
+	compatible = "nvidia,cardhu", "nvidia,tegra30";
+
+	memory {
+		device_type = "memory";
+		reg = <0x80000000 0x40000000>;
+	};
+};