MIPS: add BMIPS Comtrend AR-5315u board

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
diff --git a/board/comtrend/ar5315u/ar-5315u.c b/board/comtrend/ar5315u/ar-5315u.c
new file mode 100644
index 0000000..bdb3aca
--- /dev/null
+++ b/board/comtrend/ar5315u/ar-5315u.c
@@ -0,0 +1,7 @@
+/*
+ * Copyright (C) 2018 Álvaro Fernández Rojas <noltari@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>