board/liteboard: Add support for liteBoard

liteBoard is a development board which uses liteSOM as its base.

Hardware specification:
 * liteSOM (i.MX6UL, DRAM, eMMC)
 * Ethernet PHY (id 0)
 * USB host (usb_otg1)
 * MicroSD slot (uSDHC1)

Signed-off-by: Marcin Niestroj <m.niestroj@grinn-global.com>
diff --git a/board/grinn/liteboard/Makefile b/board/grinn/liteboard/Makefile
new file mode 100644
index 0000000..e2492d6
--- /dev/null
+++ b/board/grinn/liteboard/Makefile
@@ -0,0 +1,6 @@
+# (C) Copyright 2016 Grinn
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+obj-y  := board.o