common: Drop init.h from common header

Move this uncommon header out of the common header.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/board/renesas/stout/stout.c b/board/renesas/stout/stout.c
index 0a0ff5f..594070a 100644
--- a/board/renesas/stout/stout.c
+++ b/board/renesas/stout/stout.c
@@ -10,6 +10,7 @@
 
 #include <common.h>
 #include <env.h>
+#include <init.h>
 #include <malloc.h>
 #include <netdev.h>
 #include <dm.h>