ARM: tegra: Add e2220-1170 board

E2220-1170 is a Tegra210 bringup board with onboard SoC, DRAM,
eMMC, SD card slot, HDMI, USB micro-B port, and sockets for various
expansion modules.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Tom Warren <twarren@nvidia.com>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index ba63553..d8e1841 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -33,6 +33,7 @@
 	tegra124-jetson-tk1.dtb \
 	tegra124-nyan-big.dtb \
 	tegra124-venice2.dtb \
+	tegra210-e2220-1170.dtb \
 	tegra210-p2571.dtb
 dtb-$(CONFIG_ARCH_UNIPHIER) += \
 	uniphier-ph1-sld3-ref.dtb \