arm: socfpga: add cyclone5 based de10-nano board

Add support for the Terasic DE10-Nano board.  The board
is based on the DE0-Nano-Soc board but adds a larger FPGA
and an HDMI output.

Signed-off-by: Dalon Westergreen <dwesterg@gmail.com>
Reviewed-by: Dinh Nguyen <dinguyen@kernel.org>
diff --git a/board/terasic/de10-nano/MAINTAINERS b/board/terasic/de10-nano/MAINTAINERS
new file mode 100644
index 0000000..f4dd0df
--- /dev/null
+++ b/board/terasic/de10-nano/MAINTAINERS
@@ -0,0 +1,5 @@
+DE10-NANO BOARD
+M:	Dalon Westergreen <dwesterg@gmail.com>
+S:	Maintained
+F:	include/configs/socfpga_de10_nano.h
+F:	configs/socfpga_de10_nano_defconfig