board: armadeus: Remove <common.h> and add needed includes

Remove <common.h> from this board vendor directory and when needed
add missing include files directly.

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/board/armadeus/opos6uldev/board.c b/board/armadeus/opos6uldev/board.c
index 365fdca..5b25545 100644
--- a/board/armadeus/opos6uldev/board.c
+++ b/board/armadeus/opos6uldev/board.c
@@ -3,7 +3,6 @@
  * Copyright (C) 2018 Armadeus Systems
  */
 
-#include <common.h>
 #include <init.h>
 #include <asm/arch/sys_proto.h>
 #include <asm/gpio.h>