arm: socfpga: Add support for DENX MCV SoM and MCVEVK board

Add support for DENX MCV SoM, which is CycloneV based and the
associated DENX MCVEVK baseboard. The board can boot from eMMC.
Ethernet and USB is supported.

Signed-off-by: Marek Vasut <marex@denx.de>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 69c2c82..04a9ebc 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -60,6 +60,7 @@
 
 dtb-$(CONFIG_ARCH_SOCFPGA) +=				\
 	socfpga_arria5_socdk.dtb			\
+	socfpga_cyclone5_mcvevk.dtb			\
 	socfpga_cyclone5_socdk.dtb			\
 	socfpga_cyclone5_sockit.dtb			\
 	socfpga_cyclone5_socrates.dtb