This ports the following barebox commit:

| commit 0f5ecaf
| Author: Philipp Zabel <p.zabel@pengutronix.de>
| Date:   Tue Jul 18 15:15:23 2017 +0200
|
|     state: backend_bucket_circular: promote old state debug message to info
|
|     A report about the changed on-storage state format might be interesting
|     to the user.
|
|     Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
|     Signed-off-by: Lucas Stach <l.stach@pengutronix.de>

Signed-off-by: Ulrich Ölmann <u.oelmann@pengutronix.de>
Signed-off-by: Roland Hieber <rhi@pengutronix.de>