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/freescale/ls1088a/ls1088a.c b/board/freescale/ls1088a/ls1088a.c
index 225e787..1b10aa7 100644
--- a/board/freescale/ls1088a/ls1088a.c
+++ b/board/freescale/ls1088a/ls1088a.c
@@ -5,6 +5,7 @@
 #include <common.h>
 #include <env.h>
 #include <i2c.h>
+#include <init.h>
 #include <malloc.h>
 #include <errno.h>
 #include <netdev.h>