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/lager/lager.c b/board/renesas/lager/lager.c
index 9ac9515..1a5877b 100644
--- a/board/renesas/lager/lager.c
+++ b/board/renesas/lager/lager.c
@@ -12,6 +12,7 @@
 #include <env.h>
 #include <env_internal.h>
 #include <hang.h>
+#include <init.h>
 #include <malloc.h>
 #include <netdev.h>
 #include <dm.h>
diff --git a/board/renesas/lager/lager_spl.c b/board/renesas/lager/lager_spl.c
index d7db361..ceaf164 100644
--- a/board/renesas/lager/lager_spl.c
+++ b/board/renesas/lager/lager_spl.c
@@ -7,6 +7,7 @@
 
 #include <common.h>
 #include <cpu_func.h>
+#include <init.h>
 #include <malloc.h>
 #include <dm/platform_data/serial_sh.h>
 #include <asm/processor.h>