rockchip: Add basic support for evb-rk3036 board

This add some basic files required to allow the board to dispaly
serial message and can run command(mmc info etc)

Signed-off-by: Lin Huang <hl@rock-chips.com>
Acked-by: Simon Glass <sjg@chromium.org>
Moved board Kconfig fragment from previous patch into this one to fix
build error:
Signed-off-by: Simon Glass <sjg@chromium.org>

Series-changes: 8
- moved board Kconfig fragment from previous patch into this one
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 76d1faf..23e7b40 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -21,7 +21,8 @@
 	exynos5422-odroidxu3.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += \
 	rk3288-firefly.dtb \
-	rk3288-jerry.dtb
+	rk3288-jerry.dtb \
+	rk3036-sdk.dtb
 dtb-$(CONFIG_TEGRA) += tegra20-harmony.dtb \
 	tegra20-medcom-wide.dtb \
 	tegra20-paz00.dtb \