From 15e7ff6 Mon Sep 17 00:00:00 2001
From: Sam Ravnborg <srn@skov.dk>
Date: Thu, 22 Sep 2016 06:54:42 +0200
Subject: [PATCH 1/1] environment: "wrong magic" give the impression of an
 error

Introduce a more soft wording when the magic of
the superblock does not match.
Include a hint to the typical reason "(envfs never written?)"

This prevents a "what is wrong?" moment when looking at
the boot log.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>