The main justification for this is to allow catching long messages
during a panic, where the top part might otherwise be lost since moving
to the next block can require a flash erase.
Signed-off-by: Simon Kagstrom <simon.kagstrom@netinsight.net> Reviewed-by: Anders Grafstrom <anders.grafstrom@netinsight.net> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>