board: socionext: 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/socionext/developerbox/developerbox.c b/board/socionext/developerbox/developerbox.c
index 062e4a7..556a9ed 100644
--- a/board/socionext/developerbox/developerbox.c
+++ b/board/socionext/developerbox/developerbox.c
@@ -9,7 +9,7 @@
 #include <asm/armv8/mmu.h>
 #include <asm/global_data.h>
 #include <asm/io.h>
-#include <common.h>
+#include <config.h>
 #include <efi.h>
 #include <efi_loader.h>
 #include <env_internal.h>