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

Remove <common.h> from all "commmon/" files and when needed add
missing include files directly.

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/common/init/board_init.c b/common/init/board_init.c
index ed2365d..a06ec1c 100644
--- a/common/init/board_init.c
+++ b/common/init/board_init.c
@@ -6,7 +6,7 @@
  * Written by Simon Glass <sjg@chromium.org>
  */
 
-#include <common.h>
+#include <config.h>
 #include <bootstage.h>
 #include <init.h>
 #include <asm/global_data.h>