board: atmel: 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/atmel/at91sam9263ek/at91sam9263ek.c b/board/atmel/at91sam9263ek/at91sam9263ek.c
index 15f20b6..2b0b017 100644
--- a/board/atmel/at91sam9263ek/at91sam9263ek.c
+++ b/board/atmel/at91sam9263ek/at91sam9263ek.c
@@ -5,7 +5,7 @@
  * Lead Tech Design <www.leadtechdesign.com>
  */
 
-#include <common.h>
+#include <config.h>
 #include <debug_uart.h>
 #include <init.h>
 #include <net.h>