arm: socfpga: Add support for the Terasic DE-0 Atlas board

Add support for the Terasic DE0-Nano/Atlas-SoC Kit, which is a CycloneV
based board. The board can boot from SD/MMC. Ethernet is also supported.

Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 04a9ebc..f2e18a5 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -62,6 +62,7 @@
 	socfpga_arria5_socdk.dtb			\
 	socfpga_cyclone5_mcvevk.dtb			\
 	socfpga_cyclone5_socdk.dtb			\
+	socfpga_cyclone5_de0_nano_soc.dtb			\
 	socfpga_cyclone5_sockit.dtb			\
 	socfpga_cyclone5_socrates.dtb
 dtb-$(CONFIG_TARGET_DRA7XX_EVM) += dra72-evm.dtb