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/drivers/timer/cadence-ttc.c b/drivers/timer/cadence-ttc.c
index 4837b06..f4942a5 100644
--- a/drivers/timer/cadence-ttc.c
+++ b/drivers/timer/cadence-ttc.c
@@ -7,6 +7,7 @@
 #include <bootstage.h>
 #include <dm.h>
 #include <errno.h>
+#include <init.h>
 #include <timer.h>
 #include <asm/io.h>
 #include <linux/err.h>
diff --git a/drivers/timer/rockchip_timer.c b/drivers/timer/rockchip_timer.c
index 0cbdc27..7534e03 100644
--- a/drivers/timer/rockchip_timer.c
+++ b/drivers/timer/rockchip_timer.c
@@ -6,6 +6,7 @@
 #include <common.h>
 #include <bootstage.h>
 #include <dm.h>
+#include <init.h>
 #include <dm/ofnode.h>
 #include <mapmem.h>
 #include <asm/arch-rockchip/timer.h>
diff --git a/drivers/timer/timer-uclass.c b/drivers/timer/timer-uclass.c
index b619200..14dde95 100644
--- a/drivers/timer/timer-uclass.c
+++ b/drivers/timer/timer-uclass.c
@@ -5,6 +5,7 @@
 
 #include <common.h>
 #include <dm.h>
+#include <init.h>
 #include <dm/lists.h>
 #include <dm/device-internal.h>
 #include <dm/root.h>