arm: socfpga: Add the terasic de10-standard board

Use the de10-nano files as templates for the de10-standard board.
The files in qts directory are generated by quartus from the GHRD
design.

Signed-off-by: Humberto Naves <hsnaves@gmail.com>
Reviewed-by: Marek Vasut <marex@denx.de>
diff --git a/board/terasic/de10-standard/MAINTAINERS b/board/terasic/de10-standard/MAINTAINERS
new file mode 100644
index 0000000..94bf1e0
--- /dev/null
+++ b/board/terasic/de10-standard/MAINTAINERS
@@ -0,0 +1,5 @@
+DE10-STANDARD BOARD
+M:	Humberto Naves <hsnaves@gmail.com>
+S:	Maintained
+F:	include/configs/socfpga_de10_standard.h
+F:	configs/socfpga_de10_standard_defconfig